Home / 68,424.23-102,650.76-25,729.92

Finding the Fourth Proportional to 68,424.23, 102,650.76 and 25,729.92

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Solution

The fourth proportional to 68,424.23, 102,650.76 and 25,729.92 is: 38,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,424.23 : 102,650.76 = 25,729.92 : x
  2. Step 2: Convert to fraction form
    68,424.23/102,650.76 = 25,729.92/x
  3. Step 3: Cross multiply
    68,424.23x = 102,650.76 × 25,729.92
  4. Step 4: Simplify right side
    68,424.23x = 2,641,195,842.74
  5. Step 5: Solve for x
    x = 2,641,195,842.74/68,424.23
  6. Step 6: Final answer
    x = 38,600.30

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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.