Home / 87,155.20-130,729.44-24,825.60

Finding the Fourth Proportional to 87,155.20, 130,729.44 and 24,825.60

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Solution

The fourth proportional to 87,155.20, 130,729.44 and 24,825.60 is: 37,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,155.20 : 130,729.44 = 24,825.60 : x
  2. Step 2: Convert to fraction form
    87,155.20/130,729.44 = 24,825.60/x
  3. Step 3: Cross multiply
    87,155.20x = 130,729.44 × 24,825.60
  4. Step 4: Simplify right side
    87,155.20x = 3,245,436,785.66
  5. Step 5: Solve for x
    x = 3,245,436,785.66/87,155.20
  6. Step 6: Final answer
    x = 37,237.44

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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.