Finding the Fourth Proportional to 88,773.76, 122,507.17 and 48,487.53
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Solution
The fourth proportional to 88,773.76, 122,507.17 and 48,487.53 is: 66,912.46
Step by Step Solution
- Step 1: Write the proportion equation
88,773.76 : 122,507.17 = 48,487.53 : x - Step 2: Convert to fraction form
88,773.76/122,507.17 = 48,487.53/x - Step 3: Cross multiply
88,773.76x = 122,507.17 × 48,487.53 - Step 4: Simplify right side
88,773.76x = 5,940,070,418.77 - Step 5: Solve for x
x = 5,940,070,418.77/88,773.76 - Step 6: Final answer
x = 66,912.46
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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.