Home / 75,222.47-103,618.78-57,286.31

Finding the Fourth Proportional to 75,222.47, 103,618.78 and 57,286.31

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Solution

The fourth proportional to 75,222.47, 103,618.78 and 57,286.31 is: 78,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222.47 : 103,618.78 = 57,286.31 : x
  2. Step 2: Convert to fraction form
    75,222.47/103,618.78 = 57,286.31/x
  3. Step 3: Cross multiply
    75,222.47x = 103,618.78 × 57,286.31
  4. Step 4: Simplify right side
    75,222.47x = 5,935,936,891.59
  5. Step 5: Solve for x
    x = 5,935,936,891.59/75,222.47
  6. Step 6: Final answer
    x = 78,911.75

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