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Finding the Fourth Proportional to 68,662.08, 94,727.88 and 41,796

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Solution

The fourth proportional to 68,662.08, 94,727.88 and 41,796 is: 57,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,662.08 : 94,727.88 = 41,796 : x
  2. Step 2: Convert to fraction form
    68,662.08/94,727.88 = 41,796/x
  3. Step 3: Cross multiply
    68,662.08x = 94,727.88 × 41,796
  4. Step 4: Simplify right side
    68,662.08x = 3,959,246,472.48
  5. Step 5: Solve for x
    x = 3,959,246,472.48/68,662.08
  6. Step 6: Final answer
    x = 57,662.78

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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.