Home / 47,132.77-70,691.11-15,543.18

Finding the Fourth Proportional to 47,132.77, 70,691.11 and 15,543.18

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Solution

The fourth proportional to 47,132.77, 70,691.11 and 15,543.18 is: 23,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,132.77 : 70,691.11 = 15,543.18 : x
  2. Step 2: Convert to fraction form
    47,132.77/70,691.11 = 15,543.18/x
  3. Step 3: Cross multiply
    47,132.77x = 70,691.11 × 15,543.18
  4. Step 4: Simplify right side
    47,132.77x = 1,098,764,647.13
  5. Step 5: Solve for x
    x = 1,098,764,647.13/47,132.77
  6. Step 6: Final answer
    x = 23,312.12

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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.