Finding the Fourth Proportional to 73,635.28, 110,470.84 and 23,720.12
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Solution
The fourth proportional to 73,635.28, 110,470.84 and 23,720.12 is: 35,585.95
Step by Step Solution
- Step 1: Write the proportion equation
73,635.28 : 110,470.84 = 23,720.12 : x - Step 2: Convert to fraction form
73,635.28/110,470.84 = 23,720.12/x - Step 3: Cross multiply
73,635.28x = 110,470.84 × 23,720.12 - Step 4: Simplify right side
73,635.28x = 2,620,381,581.30 - Step 5: Solve for x
x = 2,620,381,581.30/73,635.28 - Step 6: Final answer
x = 35,585.95
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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.