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Finding the Fourth Proportional to 78,851.19, 108,853.70 and 50,199.33

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Solution

The fourth proportional to 78,851.19, 108,853.70 and 50,199.33 is: 69,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,851.19 : 108,853.70 = 50,199.33 : x
  2. Step 2: Convert to fraction form
    78,851.19/108,853.70 = 50,199.33/x
  3. Step 3: Cross multiply
    78,851.19x = 108,853.70 × 50,199.33
  4. Step 4: Simplify right side
    78,851.19x = 5,464,382,557.02
  5. Step 5: Solve for x
    x = 5,464,382,557.02/78,851.19
  6. Step 6: Final answer
    x = 69,299.94

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