Home / 87,905.97-131,862.59-25,576.47

Finding the Fourth Proportional to 87,905.97, 131,862.59 and 25,576.47

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Solution

The fourth proportional to 87,905.97, 131,862.59 and 25,576.47 is: 38,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,905.97 : 131,862.59 = 25,576.47 : x
  2. Step 2: Convert to fraction form
    87,905.97/131,862.59 = 25,576.47/x
  3. Step 3: Cross multiply
    87,905.97x = 131,862.59 × 25,576.47
  4. Step 4: Simplify right side
    87,905.97x = 3,372,579,641.20
  5. Step 5: Solve for x
    x = 3,372,579,641.20/87,905.97
  6. Step 6: Final answer
    x = 38,365.76

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1.5x scale

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.