Home / 87,057.25-120,197.62-54,401.24

Finding the Fourth Proportional to 87,057.25, 120,197.62 and 54,401.24

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Solution

The fourth proportional to 87,057.25, 120,197.62 and 54,401.24 is: 75,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,057.25 : 120,197.62 = 54,401.24 : x
  2. Step 2: Convert to fraction form
    87,057.25/120,197.62 = 54,401.24/x
  3. Step 3: Cross multiply
    87,057.25x = 120,197.62 × 54,401.24
  4. Step 4: Simplify right side
    87,057.25x = 6,538,899,265.43
  5. Step 5: Solve for x
    x = 6,538,899,265.43/87,057.25
  6. Step 6: Final answer
    x = 75,110.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.