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Finding the Fourth Proportional to 68,179.94, 102,241.95 and 23,791.74

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Solution

The fourth proportional to 68,179.94, 102,241.95 and 23,791.74 is: 35,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,179.94 : 102,241.95 = 23,791.74 : x
  2. Step 2: Convert to fraction form
    68,179.94/102,241.95 = 23,791.74/x
  3. Step 3: Cross multiply
    68,179.94x = 102,241.95 × 23,791.74
  4. Step 4: Simplify right side
    68,179.94x = 2,432,513,891.49
  5. Step 5: Solve for x
    x = 2,432,513,891.49/68,179.94
  6. Step 6: Final answer
    x = 35,677.85

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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.