Home / 82,112.53-123,169.08-22,947.85

Finding the Fourth Proportional to 82,112.53, 123,169.08 and 22,947.85

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Solution

The fourth proportional to 82,112.53, 123,169.08 and 22,947.85 is: 34,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,112.53 : 123,169.08 = 22,947.85 : x
  2. Step 2: Convert to fraction form
    82,112.53/123,169.08 = 22,947.85/x
  3. Step 3: Cross multiply
    82,112.53x = 123,169.08 × 22,947.85
  4. Step 4: Simplify right side
    82,112.53x = 2,826,465,572.48
  5. Step 5: Solve for x
    x = 2,826,465,572.48/82,112.53
  6. Step 6: Final answer
    x = 34,421.85

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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.