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Finding the Fourth Proportional to 68,608, 94,614.08 and 44,752.96

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Solution

The fourth proportional to 68,608, 94,614.08 and 44,752.96 is: 61,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608 : 94,614.08 = 44,752.96 : x
  2. Step 2: Convert to fraction form
    68,608/94,614.08 = 44,752.96/x
  3. Step 3: Cross multiply
    68,608x = 94,614.08 × 44,752.96
  4. Step 4: Simplify right side
    68,608x = 4,234,260,137.68
  5. Step 5: Solve for x
    x = 4,234,260,137.68/68,608
  6. Step 6: Final answer
    x = 61,716.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.