Home / 87,744.96-131,620.32-25,416

Finding the Fourth Proportional to 87,744.96, 131,620.32 and 25,416

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Solution

The fourth proportional to 87,744.96, 131,620.32 and 25,416 is: 38,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,744.96 : 131,620.32 = 25,416 : x
  2. Step 2: Convert to fraction form
    87,744.96/131,620.32 = 25,416/x
  3. Step 3: Cross multiply
    87,744.96x = 131,620.32 × 25,416
  4. Step 4: Simplify right side
    87,744.96x = 3,345,262,053.12
  5. Step 5: Solve for x
    x = 3,345,262,053.12/87,744.96
  6. Step 6: Final answer
    x = 38,124.83

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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.