Home / 87,748.71-131,625.95-25,419.75

Finding the Fourth Proportional to 87,748.71, 131,625.95 and 25,419.75

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Solution

The fourth proportional to 87,748.71, 131,625.95 and 25,419.75 is: 38,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,748.71 : 131,625.95 = 25,419.75 : x
  2. Step 2: Convert to fraction form
    87,748.71/131,625.95 = 25,419.75/x
  3. Step 3: Cross multiply
    87,748.71x = 131,625.95 × 25,419.75
  4. Step 4: Simplify right side
    87,748.71x = 3,345,898,615.41
  5. Step 5: Solve for x
    x = 3,345,898,615.41/87,748.71
  6. Step 6: Final answer
    x = 38,130.46

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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.