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Finding the Fourth Proportional to 80,992.97, 111,769.96 and 45,183.02

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Solution

The fourth proportional to 80,992.97, 111,769.96 and 45,183.02 is: 62,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,992.97 : 111,769.96 = 45,183.02 : x
  2. Step 2: Convert to fraction form
    80,992.97/111,769.96 = 45,183.02/x
  3. Step 3: Cross multiply
    80,992.97x = 111,769.96 × 45,183.02
  4. Step 4: Simplify right side
    80,992.97x = 5,050,103,750.99
  5. Step 5: Solve for x
    x = 5,050,103,750.99/80,992.97
  6. Step 6: Final answer
    x = 62,352.37

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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.