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Finding the Fourth Proportional to 81,918.93, 113,048.09 and 46,109.13

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Solution

The fourth proportional to 81,918.93, 113,048.09 and 46,109.13 is: 63,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,918.93 : 113,048.09 = 46,109.13 : x
  2. Step 2: Convert to fraction form
    81,918.93/113,048.09 = 46,109.13/x
  3. Step 3: Cross multiply
    81,918.93x = 113,048.09 × 46,109.13
  4. Step 4: Simplify right side
    81,918.93x = 5,212,549,078.06
  5. Step 5: Solve for x
    x = 5,212,549,078.06/81,918.93
  6. Step 6: Final answer
    x = 63,630.58

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