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Finding the Fourth Proportional to 74,812.27, 103,147.55 and 47,910.55

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Solution

The fourth proportional to 74,812.27, 103,147.55 and 47,910.55 is: 66,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,812.27 : 103,147.55 = 47,910.55 : x
  2. Step 2: Convert to fraction form
    74,812.27/103,147.55 = 47,910.55/x
  3. Step 3: Cross multiply
    74,812.27x = 103,147.55 × 47,910.55
  4. Step 4: Simplify right side
    74,812.27x = 4,941,855,851.65
  5. Step 5: Solve for x
    x = 4,941,855,851.65/74,812.27
  6. Step 6: Final answer
    x = 66,056.76

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