Home / 87,606.38-131,431.50-25,276.88

Finding the Fourth Proportional to 87,606.38, 131,431.50 and 25,276.88

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Solution

The fourth proportional to 87,606.38, 131,431.50 and 25,276.88 is: 37,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,606.38 : 131,431.50 = 25,276.88 : x
  2. Step 2: Convert to fraction form
    87,606.38/131,431.50 = 25,276.88/x
  3. Step 3: Cross multiply
    87,606.38x = 131,431.50 × 25,276.88
  4. Step 4: Simplify right side
    87,606.38x = 3,322,178,253.72
  5. Step 5: Solve for x
    x = 3,322,178,253.72/87,606.38
  6. Step 6: Final answer
    x = 37,921.65

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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.