Home / 80,923.82-121,301.46-45,332.96

Finding the Fourth Proportional to 80,923.82, 121,301.46 and 45,332.96

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Solution

The fourth proportional to 80,923.82, 121,301.46 and 45,332.96 is: 67,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,923.82 : 121,301.46 = 45,332.96 : x
  2. Step 2: Convert to fraction form
    80,923.82/121,301.46 = 45,332.96/x
  3. Step 3: Cross multiply
    80,923.82x = 121,301.46 × 45,332.96
  4. Step 4: Simplify right side
    80,923.82x = 5,498,954,234.12
  5. Step 5: Solve for x
    x = 5,498,954,234.12/80,923.82
  6. Step 6: Final answer
    x = 67,952.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.