Home / 41,127.78-61,691.41-11,545.64

Finding the Fourth Proportional to 41,127.78, 61,691.41 and 11,545.64

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Solution

The fourth proportional to 41,127.78, 61,691.41 and 11,545.64 is: 17,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,127.78 : 61,691.41 = 11,545.64 : x
  2. Step 2: Convert to fraction form
    41,127.78/61,691.41 = 11,545.64/x
  3. Step 3: Cross multiply
    41,127.78x = 61,691.41 × 11,545.64
  4. Step 4: Simplify right side
    41,127.78x = 712,266,810.95
  5. Step 5: Solve for x
    x = 712,266,810.95/41,127.78
  6. Step 6: Final answer
    x = 17,318.39

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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.