Home / 87,765.08-131,627.28-24,589.64

Finding the Fourth Proportional to 87,765.08, 131,627.28 and 24,589.64

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Solution

The fourth proportional to 87,765.08, 131,627.28 and 24,589.64 is: 36,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,765.08 : 131,627.28 = 24,589.64 : x
  2. Step 2: Convert to fraction form
    87,765.08/131,627.28 = 24,589.64/x
  3. Step 3: Cross multiply
    87,765.08x = 131,627.28 × 24,589.64
  4. Step 4: Simplify right side
    87,765.08x = 3,236,667,429.38
  5. Step 5: Solve for x
    x = 3,236,667,429.38/87,765.08
  6. Step 6: Final answer
    x = 36,878.76

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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.