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Finding the Fourth Proportional to 83,798.62, 115,609.34 and 47,969.48

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Solution

The fourth proportional to 83,798.62, 115,609.34 and 47,969.48 is: 66,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,798.62 : 115,609.34 = 47,969.48 : x
  2. Step 2: Convert to fraction form
    83,798.62/115,609.34 = 47,969.48/x
  3. Step 3: Cross multiply
    83,798.62x = 115,609.34 × 47,969.48
  4. Step 4: Simplify right side
    83,798.62x = 5,545,720,331.89
  5. Step 5: Solve for x
    x = 5,545,720,331.89/83,798.62
  6. Step 6: Final answer
    x = 66,179.14

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