Home / 82,545.42-123,812.07-26,370.44

Finding the Fourth Proportional to 82,545.42, 123,812.07 and 26,370.44

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Solution

The fourth proportional to 82,545.42, 123,812.07 and 26,370.44 is: 39,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,545.42 : 123,812.07 = 26,370.44 : x
  2. Step 2: Convert to fraction form
    82,545.42/123,812.07 = 26,370.44/x
  3. Step 3: Cross multiply
    82,545.42x = 123,812.07 × 26,370.44
  4. Step 4: Simplify right side
    82,545.42x = 3,264,978,763.21
  5. Step 5: Solve for x
    x = 3,264,978,763.21/82,545.42
  6. Step 6: Final answer
    x = 39,553.73

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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.