Home / 87,411.38-131,080.91-27,419.84

Finding the Fourth Proportional to 87,411.38, 131,080.91 and 27,419.84

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Solution

The fourth proportional to 87,411.38, 131,080.91 and 27,419.84 is: 41,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,411.38 : 131,080.91 = 27,419.84 : x
  2. Step 2: Convert to fraction form
    87,411.38/131,080.91 = 27,419.84/x
  3. Step 3: Cross multiply
    87,411.38x = 131,080.91 × 27,419.84
  4. Step 4: Simplify right side
    87,411.38x = 3,594,216,786.75
  5. Step 5: Solve for x
    x = 3,594,216,786.75/87,411.38
  6. Step 6: Final answer
    x = 41,118.41

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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.