Home / 125,101.20-187,676.10-54,023.70

Finding the Fourth Proportional to 125,101.20, 187,676.10 and 54,023.70

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Solution

The fourth proportional to 125,101.20, 187,676.10 and 54,023.70 is: 81,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,101.20 : 187,676.10 = 54,023.70 : x
  2. Step 2: Convert to fraction form
    125,101.20/187,676.10 = 54,023.70/x
  3. Step 3: Cross multiply
    125,101.20x = 187,676.10 × 54,023.70
  4. Step 4: Simplify right side
    125,101.20x = 10,138,957,323.57
  5. Step 5: Solve for x
    x = 10,138,957,323.57/125,101.20
  6. Step 6: Final answer
    x = 81,046.04

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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.