Home / 87,452.66-120,673.59-49,727.72

Finding the Fourth Proportional to 87,452.66, 120,673.59 and 49,727.72

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Solution

The fourth proportional to 87,452.66, 120,673.59 and 49,727.72 is: 68,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452.66 : 120,673.59 = 49,727.72 : x
  2. Step 2: Convert to fraction form
    87,452.66/120,673.59 = 49,727.72/x
  3. Step 3: Cross multiply
    87,452.66x = 120,673.59 × 49,727.72
  4. Step 4: Simplify right side
    87,452.66x = 6,000,822,494.91
  5. Step 5: Solve for x
    x = 6,000,822,494.91/87,452.66
  6. Step 6: Final answer
    x = 68,617.95

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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.