Home / 87,863.40-131,730.30-37,902.60

Finding the Fourth Proportional to 87,863.40, 131,730.30 and 37,902.60

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Solution

The fourth proportional to 87,863.40, 131,730.30 and 37,902.60 is: 56,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.40 : 131,730.30 = 37,902.60 : x
  2. Step 2: Convert to fraction form
    87,863.40/131,730.30 = 37,902.60/x
  3. Step 3: Cross multiply
    87,863.40x = 131,730.30 × 37,902.60
  4. Step 4: Simplify right side
    87,863.40x = 4,992,920,868.78
  5. Step 5: Solve for x
    x = 4,992,920,868.78/87,863.40
  6. Step 6: Final answer
    x = 56,825.95

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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.