Home / 83,448.99-125,172.27-20,269.61

Finding the Fourth Proportional to 83,448.99, 125,172.27 and 20,269.61

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Solution

The fourth proportional to 83,448.99, 125,172.27 and 20,269.61 is: 30,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,448.99 : 125,172.27 = 20,269.61 : x
  2. Step 2: Convert to fraction form
    83,448.99/125,172.27 = 20,269.61/x
  3. Step 3: Cross multiply
    83,448.99x = 125,172.27 × 20,269.61
  4. Step 4: Simplify right side
    83,448.99x = 2,537,192,469.85
  5. Step 5: Solve for x
    x = 2,537,192,469.85/83,448.99
  6. Step 6: Final answer
    x = 30,404.11

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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.