Home / 82,364.40-123,545.52-20,034.96

Finding the Fourth Proportional to 82,364.40, 123,545.52 and 20,034.96

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Solution

The fourth proportional to 82,364.40, 123,545.52 and 20,034.96 is: 30,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,364.40 : 123,545.52 = 20,034.96 : x
  2. Step 2: Convert to fraction form
    82,364.40/123,545.52 = 20,034.96/x
  3. Step 3: Cross multiply
    82,364.40x = 123,545.52 × 20,034.96
  4. Step 4: Simplify right side
    82,364.40x = 2,475,229,551.38
  5. Step 5: Solve for x
    x = 2,475,229,551.38/82,364.40
  6. Step 6: Final answer
    x = 30,052.18

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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.