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Finding the Fourth Proportional to 75.91, 113.88 and 37.39

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Solution

The fourth proportional to 75.91, 113.88 and 37.39 is: 56.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.91 : 113.88 = 37.39 : x
  2. Step 2: Convert to fraction form
    75.91/113.88 = 37.39/x
  3. Step 3: Cross multiply
    75.91x = 113.88 × 37.39
  4. Step 4: Simplify right side
    75.91x = 4,257.97
  5. Step 5: Solve for x
    x = 4,257.97/75.91
  6. Step 6: Final answer
    x = 56.09

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