Home / 87,416.96-131,126-34,839.68

Finding the Fourth Proportional to 87,416.96, 131,126 and 34,839.68

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Solution

The fourth proportional to 87,416.96, 131,126 and 34,839.68 is: 52,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416.96 : 131,126 = 34,839.68 : x
  2. Step 2: Convert to fraction form
    87,416.96/131,126 = 34,839.68/x
  3. Step 3: Cross multiply
    87,416.96x = 131,126 × 34,839.68
  4. Step 4: Simplify right side
    87,416.96x = 4,568,387,879.68
  5. Step 5: Solve for x
    x = 4,568,387,879.68/87,416.96
  6. Step 6: Final answer
    x = 52,259.74

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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.