Home / 80,167.26-110,631.87-49,964.79

Finding the Fourth Proportional to 80,167.26, 110,631.87 and 49,964.79

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Solution

The fourth proportional to 80,167.26, 110,631.87 and 49,964.79 is: 68,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,167.26 : 110,631.87 = 49,964.79 : x
  2. Step 2: Convert to fraction form
    80,167.26/110,631.87 = 49,964.79/x
  3. Step 3: Cross multiply
    80,167.26x = 110,631.87 × 49,964.79
  4. Step 4: Simplify right side
    80,167.26x = 5,527,698,151.86
  5. Step 5: Solve for x
    x = 5,527,698,151.86/80,167.26
  6. Step 6: Final answer
    x = 68,952.07

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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.