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Finding the Fourth Proportional to 82,112.52, 113,315.22 and 44,386.78

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Solution

The fourth proportional to 82,112.52, 113,315.22 and 44,386.78 is: 61,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,112.52 : 113,315.22 = 44,386.78 : x
  2. Step 2: Convert to fraction form
    82,112.52/113,315.22 = 44,386.78/x
  3. Step 3: Cross multiply
    82,112.52x = 113,315.22 × 44,386.78
  4. Step 4: Simplify right side
    82,112.52x = 5,029,697,740.79
  5. Step 5: Solve for x
    x = 5,029,697,740.79/82,112.52
  6. Step 6: Final answer
    x = 61,253.73

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