Home / 87,351.33-131,026.89-27,380.22

Finding the Fourth Proportional to 87,351.33, 131,026.89 and 27,380.22

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Solution

The fourth proportional to 87,351.33, 131,026.89 and 27,380.22 is: 41,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,351.33 : 131,026.89 = 27,380.22 : x
  2. Step 2: Convert to fraction form
    87,351.33/131,026.89 = 27,380.22/x
  3. Step 3: Cross multiply
    87,351.33x = 131,026.89 × 27,380.22
  4. Step 4: Simplify right side
    87,351.33x = 3,587,545,074.12
  5. Step 5: Solve for x
    x = 3,587,545,074.12/87,351.33
  6. Step 6: Final answer
    x = 41,070.30

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1.5x scale

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.