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Finding the Fourth Proportional to 87.04, 130.53 and 32.92

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Solution

The fourth proportional to 87.04, 130.53 and 32.92 is: 49.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87.04 : 130.53 = 32.92 : x
  2. Step 2: Convert to fraction form
    87.04/130.53 = 32.92/x
  3. Step 3: Cross multiply
    87.04x = 130.53 × 32.92
  4. Step 4: Simplify right side
    87.04x = 4,297.05
  5. Step 5: Solve for x
    x = 4,297.05/87.04
  6. Step 6: Final answer
    x = 49.37

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