Finding the Fourth Proportional to 88,312.77, 132,524.68 and 82,638.53
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Solution
The fourth proportional to 88,312.77, 132,524.68 and 82,638.53 is: 124,009.75
Step by Step Solution
- Step 1: Write the proportion equation
88,312.77 : 132,524.68 = 82,638.53 : x - Step 2: Convert to fraction form
88,312.77/132,524.68 = 82,638.53/x - Step 3: Cross multiply
88,312.77x = 132,524.68 × 82,638.53 - Step 4: Simplify right side
88,312.77x = 10,951,644,759.04 - Step 5: Solve for x
x = 10,951,644,759.04/88,312.77 - Step 6: Final answer
x = 124,009.75
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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.