Question 1104076
<pre>
Use these four formulas for proportion poblems such as this:

If you are given this:

w:x :: y:z

then:

{{{w}}}{{{""=""}}}{{{xy/z}}}

{{{x}}}{{{""=""}}}{{{wz/y}}}

{{{y}}}{{{""=""}}}{{{wz/x}}}

{{{z}}}{{{""=""}}}{{{xy/w}}}

Edwin</pre>