Home / 83,732.15-125,704.85-54,273.26

Finding the Fourth Proportional to 83,732.15, 125,704.85 and 54,273.26

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Solution

The fourth proportional to 83,732.15, 125,704.85 and 54,273.26 is: 81,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,732.15 : 125,704.85 = 54,273.26 : x
  2. Step 2: Convert to fraction form
    83,732.15/125,704.85 = 54,273.26/x
  3. Step 3: Cross multiply
    83,732.15x = 125,704.85 × 54,273.26
  4. Step 4: Simplify right side
    83,732.15x = 6,822,412,050.21
  5. Step 5: Solve for x
    x = 6,822,412,050.21/83,732.15
  6. Step 6: Final answer
    x = 81,479.00

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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.