Home / 82,780.38-124,170.57-36,033.26

Finding the Fourth Proportional to 82,780.38, 124,170.57 and 36,033.26

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Solution

The fourth proportional to 82,780.38, 124,170.57 and 36,033.26 is: 54,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,780.38 : 124,170.57 = 36,033.26 : x
  2. Step 2: Convert to fraction form
    82,780.38/124,170.57 = 36,033.26/x
  3. Step 3: Cross multiply
    82,780.38x = 124,170.57 × 36,033.26
  4. Step 4: Simplify right side
    82,780.38x = 4,474,269,812.31
  5. Step 5: Solve for x
    x = 4,474,269,812.31/82,780.38
  6. Step 6: Final answer
    x = 54,049.88

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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.