Finding the Fourth Proportional to 67,781.64, 101,575.62 and 29,785.44
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Solution
The fourth proportional to 67,781.64, 101,575.62 and 29,785.44 is: 44,635.61
Step by Step Solution
- Step 1: Write the proportion equation
67,781.64 : 101,575.62 = 29,785.44 : x - Step 2: Convert to fraction form
67,781.64/101,575.62 = 29,785.44/x - Step 3: Cross multiply
67,781.64x = 101,575.62 × 29,785.44 - Step 4: Simplify right side
67,781.64x = 3,025,474,534.97 - Step 5: Solve for x
x = 3,025,474,534.97/67,781.64 - Step 6: Final answer
x = 44,635.61
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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.