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Finding the Fourth Proportional to 82.00, 123.04 and 43.46

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Solution

The fourth proportional to 82.00, 123.04 and 43.46 is: 65.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.00 : 123.04 = 43.46 : x
  2. Step 2: Convert to fraction form
    82.00/123.04 = 43.46/x
  3. Step 3: Cross multiply
    82.00x = 123.04 × 43.46
  4. Step 4: Simplify right side
    82.00x = 5,346.97
  5. Step 5: Solve for x
    x = 5,346.97/82.00
  6. Step 6: Final answer
    x = 65.21

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