Home / 82,578.03-123,865.24-26,417.97

Finding the Fourth Proportional to 82,578.03, 123,865.24 and 26,417.97

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Solution

The fourth proportional to 82,578.03, 123,865.24 and 26,417.97 is: 39,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,578.03 : 123,865.24 = 26,417.97 : x
  2. Step 2: Convert to fraction form
    82,578.03/123,865.24 = 26,417.97/x
  3. Step 3: Cross multiply
    82,578.03x = 123,865.24 × 26,417.97
  4. Step 4: Simplify right side
    82,578.03x = 3,272,267,442.95
  5. Step 5: Solve for x
    x = 3,272,267,442.95/82,578.03
  6. Step 6: Final answer
    x = 39,626.37

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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.