Home / 47,031.18-70,553.39-13,753.75

Finding the Fourth Proportional to 47,031.18, 70,553.39 and 13,753.75

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Solution

The fourth proportional to 47,031.18, 70,553.39 and 13,753.75 is: 20,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,031.18 : 70,553.39 = 13,753.75 : x
  2. Step 2: Convert to fraction form
    47,031.18/70,553.39 = 13,753.75/x
  3. Step 3: Cross multiply
    47,031.18x = 70,553.39 × 13,753.75
  4. Step 4: Simplify right side
    47,031.18x = 970,373,687.71
  5. Step 5: Solve for x
    x = 970,373,687.71/47,031.18
  6. Step 6: Final answer
    x = 20,632.56

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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.