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Finding the Fourth Proportional to 68.76, 94.86 and 41.09

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Solution

The fourth proportional to 68.76, 94.86 and 41.09 is: 56.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.76 : 94.86 = 41.09 : x
  2. Step 2: Convert to fraction form
    68.76/94.86 = 41.09/x
  3. Step 3: Cross multiply
    68.76x = 94.86 × 41.09
  4. Step 4: Simplify right side
    68.76x = 3,897.32
  5. Step 5: Solve for x
    x = 3,897.32/68.76
  6. Step 6: Final answer
    x = 56.68

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