Home / 82,306.67-123,447.38-26,139.51

Finding the Fourth Proportional to 82,306.67, 123,447.38 and 26,139.51

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Solution

The fourth proportional to 82,306.67, 123,447.38 and 26,139.51 is: 39,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,306.67 : 123,447.38 = 26,139.51 : x
  2. Step 2: Convert to fraction form
    82,306.67/123,447.38 = 26,139.51/x
  3. Step 3: Cross multiply
    82,306.67x = 123,447.38 × 26,139.51
  4. Step 4: Simplify right side
    82,306.67x = 3,226,853,893.29
  5. Step 5: Solve for x
    x = 3,226,853,893.29/82,306.67
  6. Step 6: Final answer
    x = 39,205.26

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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.