Home / 87,449.91-120,680.33-49,724.16

Finding the Fourth Proportional to 87,449.91, 120,680.33 and 49,724.16

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Solution

The fourth proportional to 87,449.91, 120,680.33 and 49,724.16 is: 68,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,449.91 : 120,680.33 = 49,724.16 : x
  2. Step 2: Convert to fraction form
    87,449.91/120,680.33 = 49,724.16/x
  3. Step 3: Cross multiply
    87,449.91x = 120,680.33 × 49,724.16
  4. Step 4: Simplify right side
    87,449.91x = 6,000,727,789.15
  5. Step 5: Solve for x
    x = 6,000,727,789.15/87,449.91
  6. Step 6: Final answer
    x = 68,619.03

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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.