Home / 87,844.26-131,778.99-28,665.30

Finding the Fourth Proportional to 87,844.26, 131,778.99 and 28,665.30

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Solution

The fourth proportional to 87,844.26, 131,778.99 and 28,665.30 is: 43,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.26 : 131,778.99 = 28,665.30 : x
  2. Step 2: Convert to fraction form
    87,844.26/131,778.99 = 28,665.30/x
  3. Step 3: Cross multiply
    87,844.26x = 131,778.99 × 28,665.30
  4. Step 4: Simplify right side
    87,844.26x = 3,777,484,282.05
  5. Step 5: Solve for x
    x = 3,777,484,282.05/87,844.26
  6. Step 6: Final answer
    x = 43,002.06

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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.