Finding the Fourth Proportional to 93,750.06, 129,240.59 and 66,845.91
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Solution
The fourth proportional to 93,750.06, 129,240.59 and 66,845.91 is: 92,151.46
Step by Step Solution
- Step 1: Write the proportion equation
93,750.06 : 129,240.59 = 66,845.91 : x - Step 2: Convert to fraction form
93,750.06/129,240.59 = 66,845.91/x - Step 3: Cross multiply
93,750.06x = 129,240.59 × 66,845.91 - Step 4: Simplify right side
93,750.06x = 8,639,204,513.26 - Step 5: Solve for x
x = 8,639,204,513.26/93,750.06 - Step 6: Final answer
x = 92,151.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.