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Finding the Fourth Proportional to 71.07, 98.07 and 41.96

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Solution

The fourth proportional to 71.07, 98.07 and 41.96 is: 57.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.07 : 98.07 = 41.96 : x
  2. Step 2: Convert to fraction form
    71.07/98.07 = 41.96/x
  3. Step 3: Cross multiply
    71.07x = 98.07 × 41.96
  4. Step 4: Simplify right side
    71.07x = 4,114.53
  5. Step 5: Solve for x
    x = 4,114.53/71.07
  6. Step 6: Final answer
    x = 57.89

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