Home / 87,835.80-131,753.70-25,512.60

Finding the Fourth Proportional to 87,835.80, 131,753.70 and 25,512.60

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Solution

The fourth proportional to 87,835.80, 131,753.70 and 25,512.60 is: 38,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,835.80 : 131,753.70 = 25,512.60 : x
  2. Step 2: Convert to fraction form
    87,835.80/131,753.70 = 25,512.60/x
  3. Step 3: Cross multiply
    87,835.80x = 131,753.70 × 25,512.60
  4. Step 4: Simplify right side
    87,835.80x = 3,361,379,446.62
  5. Step 5: Solve for x
    x = 3,361,379,446.62/87,835.80
  6. Step 6: Final answer
    x = 38,268.90

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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.