Home / 87,375.60-131,039.40-24,180.72

Finding the Fourth Proportional to 87,375.60, 131,039.40 and 24,180.72

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Solution

The fourth proportional to 87,375.60, 131,039.40 and 24,180.72 is: 36,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,375.60 : 131,039.40 = 24,180.72 : x
  2. Step 2: Convert to fraction form
    87,375.60/131,039.40 = 24,180.72/x
  3. Step 3: Cross multiply
    87,375.60x = 131,039.40 × 24,180.72
  4. Step 4: Simplify right side
    87,375.60x = 3,168,627,040.37
  5. Step 5: Solve for x
    x = 3,168,627,040.37/87,375.60
  6. Step 6: Final answer
    x = 36,264.44

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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.