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Finding the Fourth Proportional to 83,539.68, 125,161.83 and 55,392.99

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Solution

The fourth proportional to 83,539.68, 125,161.83 and 55,392.99 is: 82,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.68 : 125,161.83 = 55,392.99 : x
  2. Step 2: Convert to fraction form
    83,539.68/125,161.83 = 55,392.99/x
  3. Step 3: Cross multiply
    83,539.68x = 125,161.83 × 55,392.99
  4. Step 4: Simplify right side
    83,539.68x = 6,933,087,997.57
  5. Step 5: Solve for x
    x = 6,933,087,997.57/83,539.68
  6. Step 6: Final answer
    x = 82,991.56

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