Home / 87,939.75-131,913.27-25,610.25

Finding the Fourth Proportional to 87,939.75, 131,913.27 and 25,610.25

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Solution

The fourth proportional to 87,939.75, 131,913.27 and 25,610.25 is: 38,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939.75 : 131,913.27 = 25,610.25 : x
  2. Step 2: Convert to fraction form
    87,939.75/131,913.27 = 25,610.25/x
  3. Step 3: Cross multiply
    87,939.75x = 131,913.27 × 25,610.25
  4. Step 4: Simplify right side
    87,939.75x = 3,378,331,823.02
  5. Step 5: Solve for x
    x = 3,378,331,823.02/87,939.75
  6. Step 6: Final answer
    x = 38,416.44

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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.