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Finding the Fourth Proportional to 80.06, 120.02 and 62.90

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Solution

The fourth proportional to 80.06, 120.02 and 62.90 is: 94.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80.06 : 120.02 = 62.90 : x
  2. Step 2: Convert to fraction form
    80.06/120.02 = 62.90/x
  3. Step 3: Cross multiply
    80.06x = 120.02 × 62.90
  4. Step 4: Simplify right side
    80.06x = 7,548.66
  5. Step 5: Solve for x
    x = 7,548.66/80.06
  6. Step 6: Final answer
    x = 94.29

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