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Finding the Fourth Proportional to 80,137.73, 110,624.09 and 49,937.96

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Solution

The fourth proportional to 80,137.73, 110,624.09 and 49,937.96 is: 68,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,137.73 : 110,624.09 = 49,937.96 : x
  2. Step 2: Convert to fraction form
    80,137.73/110,624.09 = 49,937.96/x
  3. Step 3: Cross multiply
    80,137.73x = 110,624.09 × 49,937.96
  4. Step 4: Simplify right side
    80,137.73x = 5,524,340,578.65
  5. Step 5: Solve for x
    x = 5,524,340,578.65/80,137.73
  6. Step 6: Final answer
    x = 68,935.58

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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.