Home / 87,794.41-131,712.60-28,630.15

Finding the Fourth Proportional to 87,794.41, 131,712.60 and 28,630.15

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Solution

The fourth proportional to 87,794.41, 131,712.60 and 28,630.15 is: 42,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,794.41 : 131,712.60 = 28,630.15 : x
  2. Step 2: Convert to fraction form
    87,794.41/131,712.60 = 28,630.15/x
  3. Step 3: Cross multiply
    87,794.41x = 131,712.60 × 28,630.15
  4. Step 4: Simplify right side
    87,794.41x = 3,770,951,494.89
  5. Step 5: Solve for x
    x = 3,770,951,494.89/87,794.41
  6. Step 6: Final answer
    x = 42,952.07

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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.