Home / 83,271.65-124,906.31-20,091.24

Finding the Fourth Proportional to 83,271.65, 124,906.31 and 20,091.24

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Solution

The fourth proportional to 83,271.65, 124,906.31 and 20,091.24 is: 30,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,271.65 : 124,906.31 = 20,091.24 : x
  2. Step 2: Convert to fraction form
    83,271.65/124,906.31 = 20,091.24/x
  3. Step 3: Cross multiply
    83,271.65x = 124,906.31 × 20,091.24
  4. Step 4: Simplify right side
    83,271.65x = 2,509,522,626.61
  5. Step 5: Solve for x
    x = 2,509,522,626.61/83,271.65
  6. Step 6: Final answer
    x = 30,136.58

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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.