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Finding the Fourth Proportional to 81,762.78, 112,833.36 and 49,498.14

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Solution

The fourth proportional to 81,762.78, 112,833.36 and 49,498.14 is: 68,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,762.78 : 112,833.36 = 49,498.14 : x
  2. Step 2: Convert to fraction form
    81,762.78/112,833.36 = 49,498.14/x
  3. Step 3: Cross multiply
    81,762.78x = 112,833.36 × 49,498.14
  4. Step 4: Simplify right side
    81,762.78x = 5,585,041,449.95
  5. Step 5: Solve for x
    x = 5,585,041,449.95/81,762.78
  6. Step 6: Final answer
    x = 68,307.87

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