Home / 67,489.20-101,176.20-47,705.52

Finding the Fourth Proportional to 67,489.20, 101,176.20 and 47,705.52

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Solution

The fourth proportional to 67,489.20, 101,176.20 and 47,705.52 is: 71,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.20 : 101,176.20 = 47,705.52 : x
  2. Step 2: Convert to fraction form
    67,489.20/101,176.20 = 47,705.52/x
  3. Step 3: Cross multiply
    67,489.20x = 101,176.20 × 47,705.52
  4. Step 4: Simplify right side
    67,489.20x = 4,826,663,232.62
  5. Step 5: Solve for x
    x = 4,826,663,232.62/67,489.20
  6. Step 6: Final answer
    x = 71,517.56

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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.