SOLUTION: find the final balance in a account after investing in principle P and letting it grow a a rate (r) for t years. p=12,000 r=6.9% t=4 2/3 years how do i found out the balance

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 Click here to see ALL problems on Money Word Problems Question 463858: find the final balance in a account after investing in principle P and letting it grow a a rate (r) for t years. p=12,000 r=6.9% t=4 2/3 years how do i found out the balance of \$?Answer by Theo(3464)   (Show Source): You can put this solution on YOUR website!p = 12,000 r = .069 t = 4 + 2/3 years = 4.666666667 years f = future value formula: f = p*(1+r)^t substitute to get: f = 12,000 * (1.069)^4.66666667 use your calculator to get: f = 16,383.6453 which you can round up to 16,383.65.