Home / 87,425.20-131,040.60-37,496.80

Finding the Fourth Proportional to 87,425.20, 131,040.60 and 37,496.80

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Solution

The fourth proportional to 87,425.20, 131,040.60 and 37,496.80 is: 56,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,425.20 : 131,040.60 = 37,496.80 : x
  2. Step 2: Convert to fraction form
    87,425.20/131,040.60 = 37,496.80/x
  3. Step 3: Cross multiply
    87,425.20x = 131,040.60 × 37,496.80
  4. Step 4: Simplify right side
    87,425.20x = 4,913,603,170.08
  5. Step 5: Solve for x
    x = 4,913,603,170.08/87,425.20
  6. Step 6: Final answer
    x = 56,203.51

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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.