Finding the Fourth Proportional to 88,977.31, 122,788.70 and 48,691.08
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Solution
The fourth proportional to 88,977.31, 122,788.70 and 48,691.08 is: 67,193.69
Step by Step Solution
- Step 1: Write the proportion equation
88,977.31 : 122,788.70 = 48,691.08 : x - Step 2: Convert to fraction form
88,977.31/122,788.70 = 48,691.08/x - Step 3: Cross multiply
88,977.31x = 122,788.70 × 48,691.08 - Step 4: Simplify right side
88,977.31x = 5,978,713,557.40 - Step 5: Solve for x
x = 5,978,713,557.40/88,977.31 - Step 6: Final answer
x = 67,193.69
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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.