Home / 68,029.75-102,045.67-25,912.17

Finding the Fourth Proportional to 68,029.75, 102,045.67 and 25,912.17

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Solution

The fourth proportional to 68,029.75, 102,045.67 and 25,912.17 is: 38,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029.75 : 102,045.67 = 25,912.17 : x
  2. Step 2: Convert to fraction form
    68,029.75/102,045.67 = 25,912.17/x
  3. Step 3: Cross multiply
    68,029.75x = 102,045.67 × 25,912.17
  4. Step 4: Simplify right side
    68,029.75x = 2,644,224,748.80
  5. Step 5: Solve for x
    x = 2,644,224,748.80/68,029.75
  6. Step 6: Final answer
    x = 38,868.65

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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.