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Finding the Fourth Proportional to 68,727.87, 102,916.80 and 45,283.23

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Solution

The fourth proportional to 68,727.87, 102,916.80 and 45,283.23 is: 67,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,727.87 : 102,916.80 = 45,283.23 : x
  2. Step 2: Convert to fraction form
    68,727.87/102,916.80 = 45,283.23/x
  3. Step 3: Cross multiply
    68,727.87x = 102,916.80 × 45,283.23
  4. Step 4: Simplify right side
    68,727.87x = 4,660,405,125.26
  5. Step 5: Solve for x
    x = 4,660,405,125.26/68,727.87
  6. Step 6: Final answer
    x = 67,809.54

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