Finding the Fourth Proportional to 88,675.60, 132,841.88 and 74,273.08
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Solution
The fourth proportional to 88,675.60, 132,841.88 and 74,273.08 is: 111,265.96
Step by Step Solution
- Step 1: Write the proportion equation
88,675.60 : 132,841.88 = 74,273.08 : x - Step 2: Convert to fraction form
88,675.60/132,841.88 = 74,273.08/x - Step 3: Cross multiply
88,675.60x = 132,841.88 × 74,273.08 - Step 4: Simplify right side
88,675.60x = 9,866,575,580.59 - Step 5: Solve for x
x = 9,866,575,580.59/88,675.60 - Step 6: Final answer
x = 111,265.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.