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Finding the Fourth Proportional to 71.99, 108 and 37.73

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Solution

The fourth proportional to 71.99, 108 and 37.73 is: 56.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.99 : 108 = 37.73 : x
  2. Step 2: Convert to fraction form
    71.99/108 = 37.73/x
  3. Step 3: Cross multiply
    71.99x = 108 × 37.73
  4. Step 4: Simplify right side
    71.99x = 4,075.11
  5. Step 5: Solve for x
    x = 4,075.11/71.99
  6. Step 6: Final answer
    x = 56.61

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