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Finding the Fourth Proportional to 83,781.49, 115,615.52 and 46,055.47

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Solution

The fourth proportional to 83,781.49, 115,615.52 and 46,055.47 is: 63,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781.49 : 115,615.52 = 46,055.47 : x
  2. Step 2: Convert to fraction form
    83,781.49/115,615.52 = 46,055.47/x
  3. Step 3: Cross multiply
    83,781.49x = 115,615.52 × 46,055.47
  4. Step 4: Simplify right side
    83,781.49x = 5,324,727,112.89
  5. Step 5: Solve for x
    x = 5,324,727,112.89/83,781.49
  6. Step 6: Final answer
    x = 63,554.93

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