Finding the Fourth Proportional to 87,736.97, 121,132.46 and 62,296.70
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Solution
The fourth proportional to 87,736.97, 121,132.46 and 62,296.70 is: 86,008.80
Step by Step Solution
- Step 1: Write the proportion equation
87,736.97 : 121,132.46 = 62,296.70 : x - Step 2: Convert to fraction form
87,736.97/121,132.46 = 62,296.70/x - Step 3: Cross multiply
87,736.97x = 121,132.46 × 62,296.70 - Step 4: Simplify right side
87,736.97x = 7,546,152,070.96 - Step 5: Solve for x
x = 7,546,152,070.96/87,736.97 - Step 6: Final answer
x = 86,008.80
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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.