Home / 87,604.38-131,428.50-25,274.88

Finding the Fourth Proportional to 87,604.38, 131,428.50 and 25,274.88

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Solution

The fourth proportional to 87,604.38, 131,428.50 and 25,274.88 is: 37,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,604.38 : 131,428.50 = 25,274.88 : x
  2. Step 2: Convert to fraction form
    87,604.38/131,428.50 = 25,274.88/x
  3. Step 3: Cross multiply
    87,604.38x = 131,428.50 × 25,274.88
  4. Step 4: Simplify right side
    87,604.38x = 3,321,839,566.08
  5. Step 5: Solve for x
    x = 3,321,839,566.08/87,604.38
  6. Step 6: Final answer
    x = 37,918.65

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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.