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Finding the Fourth Proportional to 68,476.46, 102,644.22 and 33,372.68

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Solution

The fourth proportional to 68,476.46, 102,644.22 and 33,372.68 is: 50,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,476.46 : 102,644.22 = 33,372.68 : x
  2. Step 2: Convert to fraction form
    68,476.46/102,644.22 = 33,372.68/x
  3. Step 3: Cross multiply
    68,476.46x = 102,644.22 × 33,372.68
  4. Step 4: Simplify right side
    68,476.46x = 3,425,512,707.91
  5. Step 5: Solve for x
    x = 3,425,512,707.91/68,476.46
  6. Step 6: Final answer
    x = 50,024.68

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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.