Home / 83,149.91-124,647.10-30,545.27

Finding the Fourth Proportional to 83,149.91, 124,647.10 and 30,545.27

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Solution

The fourth proportional to 83,149.91, 124,647.10 and 30,545.27 is: 45,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,149.91 : 124,647.10 = 30,545.27 : x
  2. Step 2: Convert to fraction form
    83,149.91/124,647.10 = 30,545.27/x
  3. Step 3: Cross multiply
    83,149.91x = 124,647.10 × 30,545.27
  4. Step 4: Simplify right side
    83,149.91x = 3,807,379,324.22
  5. Step 5: Solve for x
    x = 3,807,379,324.22/83,149.91
  6. Step 6: Final answer
    x = 45,789.34

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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.