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Finding the Fourth Proportional to 67,143.81, 100,736.16 and 41,826.45

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Solution

The fourth proportional to 67,143.81, 100,736.16 and 41,826.45 is: 62,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,143.81 : 100,736.16 = 41,826.45 : x
  2. Step 2: Convert to fraction form
    67,143.81/100,736.16 = 41,826.45/x
  3. Step 3: Cross multiply
    67,143.81x = 100,736.16 × 41,826.45
  4. Step 4: Simplify right side
    67,143.81x = 4,213,435,959.43
  5. Step 5: Solve for x
    x = 4,213,435,959.43/67,143.81
  6. Step 6: Final answer
    x = 62,752.41

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