Home / 83,193.46-124,790.09-20,013.53

Finding the Fourth Proportional to 83,193.46, 124,790.09 and 20,013.53

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Solution

The fourth proportional to 83,193.46, 124,790.09 and 20,013.53 is: 30,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,193.46 : 124,790.09 = 20,013.53 : x
  2. Step 2: Convert to fraction form
    83,193.46/124,790.09 = 20,013.53/x
  3. Step 3: Cross multiply
    83,193.46x = 124,790.09 × 20,013.53
  4. Step 4: Simplify right side
    83,193.46x = 2,497,489,485.90
  5. Step 5: Solve for x
    x = 2,497,489,485.90/83,193.46
  6. Step 6: Final answer
    x = 30,020.26

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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.