Finding the Fourth Proportional to 73,694.61, 110,531.15 and 36,244.63
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Solution
The fourth proportional to 73,694.61, 110,531.15 and 36,244.63 is: 54,361.65
Step by Step Solution
- Step 1: Write the proportion equation
73,694.61 : 110,531.15 = 36,244.63 : x - Step 2: Convert to fraction form
73,694.61/110,531.15 = 36,244.63/x - Step 3: Cross multiply
73,694.61x = 110,531.15 × 36,244.63 - Step 4: Simplify right side
73,694.61x = 4,006,160,728.08 - Step 5: Solve for x
x = 4,006,160,728.08/73,694.61 - Step 6: Final answer
x = 54,361.65
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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.