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Finding the Fourth Proportional to 87,660.55, 120,972.86 and 49,933.99

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Solution

The fourth proportional to 87,660.55, 120,972.86 and 49,933.99 is: 68,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,660.55 : 120,972.86 = 49,933.99 : x
  2. Step 2: Convert to fraction form
    87,660.55/120,972.86 = 49,933.99/x
  3. Step 3: Cross multiply
    87,660.55x = 120,972.86 × 49,933.99
  4. Step 4: Simplify right side
    87,660.55x = 6,040,657,581.51
  5. Step 5: Solve for x
    x = 6,040,657,581.51/87,660.55
  6. Step 6: Final answer
    x = 68,909.65

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