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Finding the Fourth Proportional to 83,211.63, 124,817.51 and 27,807.63

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Solution

The fourth proportional to 83,211.63, 124,817.51 and 27,807.63 is: 41,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,211.63 : 124,817.51 = 27,807.63 : x
  2. Step 2: Convert to fraction form
    83,211.63/124,817.51 = 27,807.63/x
  3. Step 3: Cross multiply
    83,211.63x = 124,817.51 × 27,807.63
  4. Step 4: Simplify right side
    83,211.63x = 3,470,879,135.60
  5. Step 5: Solve for x
    x = 3,470,879,135.60/83,211.63
  6. Step 6: Final answer
    x = 41,711.47

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