Home / 87,862.40-131,793.60-59,868.80

Finding the Fourth Proportional to 87,862.40, 131,793.60 and 59,868.80

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Solution

The fourth proportional to 87,862.40, 131,793.60 and 59,868.80 is: 89,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,862.40 : 131,793.60 = 59,868.80 : x
  2. Step 2: Convert to fraction form
    87,862.40/131,793.60 = 59,868.80/x
  3. Step 3: Cross multiply
    87,862.40x = 131,793.60 × 59,868.80
  4. Step 4: Simplify right side
    87,862.40x = 7,890,324,679.68
  5. Step 5: Solve for x
    x = 7,890,324,679.68/87,862.40
  6. Step 6: Final answer
    x = 89,803.20

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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.