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Finding the Fourth Proportional to 71.02, 106.48 and 34.92

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Solution

The fourth proportional to 71.02, 106.48 and 34.92 is: 52.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.02 : 106.48 = 34.92 : x
  2. Step 2: Convert to fraction form
    71.02/106.48 = 34.92/x
  3. Step 3: Cross multiply
    71.02x = 106.48 × 34.92
  4. Step 4: Simplify right side
    71.02x = 3,718.19
  5. Step 5: Solve for x
    x = 3,718.19/71.02
  6. Step 6: Final answer
    x = 52.36

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