Finding the Fourth Proportional to 88,125.60, 132,382.80 and 84,820.80
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Solution
The fourth proportional to 88,125.60, 132,382.80 and 84,820.80 is: 127,418.31
Step by Step Solution
- Step 1: Write the proportion equation
88,125.60 : 132,382.80 = 84,820.80 : x - Step 2: Convert to fraction form
88,125.60/132,382.80 = 84,820.80/x - Step 3: Cross multiply
88,125.60x = 132,382.80 × 84,820.80 - Step 4: Simplify right side
88,125.60x = 11,228,815,002.24 - Step 5: Solve for x
x = 11,228,815,002.24/88,125.60 - Step 6: Final answer
x = 127,418.31
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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.