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Finding the Fourth Proportional to 83,685.44, 115,486.74 and 45,959.69

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Solution

The fourth proportional to 83,685.44, 115,486.74 and 45,959.69 is: 63,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,685.44 : 115,486.74 = 45,959.69 : x
  2. Step 2: Convert to fraction form
    83,685.44/115,486.74 = 45,959.69/x
  3. Step 3: Cross multiply
    83,685.44x = 115,486.74 × 45,959.69
  4. Step 4: Simplify right side
    83,685.44x = 5,307,735,058.23
  5. Step 5: Solve for x
    x = 5,307,735,058.23/83,685.44
  6. Step 6: Final answer
    x = 63,424.83

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