Home / 87,755.60-131,584.77-40,982.96

Finding the Fourth Proportional to 87,755.60, 131,584.77 and 40,982.96

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Solution

The fourth proportional to 87,755.60, 131,584.77 and 40,982.96 is: 61,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.60 : 131,584.77 = 40,982.96 : x
  2. Step 2: Convert to fraction form
    87,755.60/131,584.77 = 40,982.96/x
  3. Step 3: Cross multiply
    87,755.60x = 131,584.77 × 40,982.96
  4. Step 4: Simplify right side
    87,755.60x = 5,392,732,707.60
  5. Step 5: Solve for x
    x = 5,392,732,707.60/87,755.60
  6. Step 6: Final answer
    x = 61,451.73

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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.