Home / 72,447.13-108,680.83-68,463.13

Finding the Fourth Proportional to 72,447.13, 108,680.83 and 68,463.13

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Solution

The fourth proportional to 72,447.13, 108,680.83 and 68,463.13 is: 102,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,447.13 : 108,680.83 = 68,463.13 : x
  2. Step 2: Convert to fraction form
    72,447.13/108,680.83 = 68,463.13/x
  3. Step 3: Cross multiply
    72,447.13x = 108,680.83 × 68,463.13
  4. Step 4: Simplify right side
    72,447.13x = 7,440,629,792.80
  5. Step 5: Solve for x
    x = 7,440,629,792.80/72,447.13
  6. Step 6: Final answer
    x = 102,704.27

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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.