Finding the Fourth Proportional to 73,839.52, 110,720.36 and 32,237.92
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Solution
The fourth proportional to 73,839.52, 110,720.36 and 32,237.92 is: 48,339.89
Step by Step Solution
- Step 1: Write the proportion equation
73,839.52 : 110,720.36 = 32,237.92 : x - Step 2: Convert to fraction form
73,839.52/110,720.36 = 32,237.92/x - Step 3: Cross multiply
73,839.52x = 110,720.36 × 32,237.92 - Step 4: Simplify right side
73,839.52x = 3,569,394,108.05 - Step 5: Solve for x
x = 3,569,394,108.05/73,839.52 - Step 6: Final answer
x = 48,339.89
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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.