Home / 87,119.62-120,261.92-58,863.58

Finding the Fourth Proportional to 87,119.62, 120,261.92 and 58,863.58

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Solution

The fourth proportional to 87,119.62, 120,261.92 and 58,863.58 is: 81,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119.62 : 120,261.92 = 58,863.58 : x
  2. Step 2: Convert to fraction form
    87,119.62/120,261.92 = 58,863.58/x
  3. Step 3: Cross multiply
    87,119.62x = 120,261.92 × 58,863.58
  4. Step 4: Simplify right side
    87,119.62x = 7,079,046,553.90
  5. Step 5: Solve for x
    x = 7,079,046,553.90/87,119.62
  6. Step 6: Final answer
    x = 81,256.63

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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.