Home / 87,869.80-131,804.70-25,546.60

Finding the Fourth Proportional to 87,869.80, 131,804.70 and 25,546.60

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Solution

The fourth proportional to 87,869.80, 131,804.70 and 25,546.60 is: 38,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,869.80 : 131,804.70 = 25,546.60 : x
  2. Step 2: Convert to fraction form
    87,869.80/131,804.70 = 25,546.60/x
  3. Step 3: Cross multiply
    87,869.80x = 131,804.70 × 25,546.60
  4. Step 4: Simplify right side
    87,869.80x = 3,367,161,949.02
  5. Step 5: Solve for x
    x = 3,367,161,949.02/87,869.80
  6. Step 6: Final answer
    x = 38,319.90

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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.