Home / 92,251.20-138,380.45-25,697.15

Finding the Fourth Proportional to 92,251.20, 138,380.45 and 25,697.15

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Solution

The fourth proportional to 92,251.20, 138,380.45 and 25,697.15 is: 38,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,251.20 : 138,380.45 = 25,697.15 : x
  2. Step 2: Convert to fraction form
    92,251.20/138,380.45 = 25,697.15/x
  3. Step 3: Cross multiply
    92,251.20x = 138,380.45 × 25,697.15
  4. Step 4: Simplify right side
    92,251.20x = 3,555,982,360.33
  5. Step 5: Solve for x
    x = 3,555,982,360.33/92,251.20
  6. Step 6: Final answer
    x = 38,546.73

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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.