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Finding the Fourth Proportional to 78,843.69, 108,804.25 and 43,033.69

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Solution

The fourth proportional to 78,843.69, 108,804.25 and 43,033.69 is: 59,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,843.69 : 108,804.25 = 43,033.69 : x
  2. Step 2: Convert to fraction form
    78,843.69/108,804.25 = 43,033.69/x
  3. Step 3: Cross multiply
    78,843.69x = 108,804.25 × 43,033.69
  4. Step 4: Simplify right side
    78,843.69x = 4,682,248,583.40
  5. Step 5: Solve for x
    x = 4,682,248,583.40/78,843.69
  6. Step 6: Final answer
    x = 59,386.47

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