Home / 87,532.88-120,766.92-51,723.92

Finding the Fourth Proportional to 87,532.88, 120,766.92 and 51,723.92

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Solution

The fourth proportional to 87,532.88, 120,766.92 and 51,723.92 is: 71,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.88 : 120,766.92 = 51,723.92 : x
  2. Step 2: Convert to fraction form
    87,532.88/120,766.92 = 51,723.92/x
  3. Step 3: Cross multiply
    87,532.88x = 120,766.92 × 51,723.92
  4. Step 4: Simplify right side
    87,532.88x = 6,246,538,508.73
  5. Step 5: Solve for x
    x = 6,246,538,508.73/87,532.88
  6. Step 6: Final answer
    x = 71,362.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.