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Finding the Fourth Proportional to 71.04, 97.93 and 51.36

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Solution

The fourth proportional to 71.04, 97.93 and 51.36 is: 70.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.04 : 97.93 = 51.36 : x
  2. Step 2: Convert to fraction form
    71.04/97.93 = 51.36/x
  3. Step 3: Cross multiply
    71.04x = 97.93 × 51.36
  4. Step 4: Simplify right side
    71.04x = 5,029.56
  5. Step 5: Solve for x
    x = 5,029.56/71.04
  6. Step 6: Final answer
    x = 70.80

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