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Finding the Fourth Proportional to 55,142.49, 76,096.71 and 29,991.99

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Solution

The fourth proportional to 55,142.49, 76,096.71 and 29,991.99 is: 41,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,142.49 : 76,096.71 = 29,991.99 : x
  2. Step 2: Convert to fraction form
    55,142.49/76,096.71 = 29,991.99/x
  3. Step 3: Cross multiply
    55,142.49x = 76,096.71 × 29,991.99
  4. Step 4: Simplify right side
    55,142.49x = 2,282,291,765.35
  5. Step 5: Solve for x
    x = 2,282,291,765.35/55,142.49
  6. Step 6: Final answer
    x = 41,388.99

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