Home / 80,917.54-121,371.90-24,757.65

Finding the Fourth Proportional to 80,917.54, 121,371.90 and 24,757.65

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Solution

The fourth proportional to 80,917.54, 121,371.90 and 24,757.65 is: 37,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,917.54 : 121,371.90 = 24,757.65 : x
  2. Step 2: Convert to fraction form
    80,917.54/121,371.90 = 24,757.65/x
  3. Step 3: Cross multiply
    80,917.54x = 121,371.90 × 24,757.65
  4. Step 4: Simplify right side
    80,917.54x = 3,004,883,020.04
  5. Step 5: Solve for x
    x = 3,004,883,020.04/80,917.54
  6. Step 6: Final answer
    x = 37,135.13

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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.