Home / 71,940.15-107,861.02-32,475.74

Finding the Fourth Proportional to 71,940.15, 107,861.02 and 32,475.74

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Solution

The fourth proportional to 71,940.15, 107,861.02 and 32,475.74 is: 48,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,940.15 : 107,861.02 = 32,475.74 : x
  2. Step 2: Convert to fraction form
    71,940.15/107,861.02 = 32,475.74/x
  3. Step 3: Cross multiply
    71,940.15x = 107,861.02 × 32,475.74
  4. Step 4: Simplify right side
    71,940.15x = 3,502,865,821.16
  5. Step 5: Solve for x
    x = 3,502,865,821.16/71,940.15
  6. Step 6: Final answer
    x = 48,691.39

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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.