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Finding the Fourth Proportional to 68,468.29, 102,741.11 and 36,877.68

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Solution

The fourth proportional to 68,468.29, 102,741.11 and 36,877.68 is: 55,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,468.29 : 102,741.11 = 36,877.68 : x
  2. Step 2: Convert to fraction form
    68,468.29/102,741.11 = 36,877.68/x
  3. Step 3: Cross multiply
    68,468.29x = 102,741.11 × 36,877.68
  4. Step 4: Simplify right side
    68,468.29x = 3,788,853,731.33
  5. Step 5: Solve for x
    x = 3,788,853,731.33/68,468.29
  6. Step 6: Final answer
    x = 55,337.35

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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.