Home / 72,440.10-108,680.67-25,697.70

Finding the Fourth Proportional to 72,440.10, 108,680.67 and 25,697.70

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Solution

The fourth proportional to 72,440.10, 108,680.67 and 25,697.70 is: 38,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440.10 : 108,680.67 = 25,697.70 : x
  2. Step 2: Convert to fraction form
    72,440.10/108,680.67 = 25,697.70/x
  3. Step 3: Cross multiply
    72,440.10x = 108,680.67 × 25,697.70
  4. Step 4: Simplify right side
    72,440.10x = 2,792,843,253.46
  5. Step 5: Solve for x
    x = 2,792,843,253.46/72,440.10
  6. Step 6: Final answer
    x = 38,553.83

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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.