Home / 87,116.27-120,257.15-58,860.23

Finding the Fourth Proportional to 87,116.27, 120,257.15 and 58,860.23

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Solution

The fourth proportional to 87,116.27, 120,257.15 and 58,860.23 is: 81,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,116.27 : 120,257.15 = 58,860.23 : x
  2. Step 2: Convert to fraction form
    87,116.27/120,257.15 = 58,860.23/x
  3. Step 3: Cross multiply
    87,116.27x = 120,257.15 × 58,860.23
  4. Step 4: Simplify right side
    87,116.27x = 7,078,362,612.56
  5. Step 5: Solve for x
    x = 7,078,362,612.56/87,116.27
  6. Step 6: Final answer
    x = 81,251.91

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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.