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Finding the Fourth Proportional to 87,659.55, 120,971.48 and 49,932.99

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Solution

The fourth proportional to 87,659.55, 120,971.48 and 49,932.99 is: 68,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,659.55 : 120,971.48 = 49,932.99 : x
  2. Step 2: Convert to fraction form
    87,659.55/120,971.48 = 49,932.99/x
  3. Step 3: Cross multiply
    87,659.55x = 120,971.48 × 49,932.99
  4. Step 4: Simplify right side
    87,659.55x = 6,040,467,451.46
  5. Step 5: Solve for x
    x = 6,040,467,451.46/87,659.55
  6. Step 6: Final answer
    x = 68,908.26

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