Home / 87,449.41-120,680.45-49,723.93

Finding the Fourth Proportional to 87,449.41, 120,680.45 and 49,723.93

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Solution

The fourth proportional to 87,449.41, 120,680.45 and 49,723.93 is: 68,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,449.41 : 120,680.45 = 49,723.93 : x
  2. Step 2: Convert to fraction form
    87,449.41/120,680.45 = 49,723.93/x
  3. Step 3: Cross multiply
    87,449.41x = 120,680.45 × 49,723.93
  4. Step 4: Simplify right side
    87,449.41x = 6,000,706,248.17
  5. Step 5: Solve for x
    x = 6,000,706,248.17/87,449.41
  6. Step 6: Final answer
    x = 68,619.17

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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.