Home / 54,921.78-75,791.55-30,722.46

Finding the Fourth Proportional to 54,921.78, 75,791.55 and 30,722.46

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Solution

The fourth proportional to 54,921.78, 75,791.55 and 30,722.46 is: 42,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.78 : 75,791.55 = 30,722.46 : x
  2. Step 2: Convert to fraction form
    54,921.78/75,791.55 = 30,722.46/x
  3. Step 3: Cross multiply
    54,921.78x = 75,791.55 × 30,722.46
  4. Step 4: Simplify right side
    54,921.78x = 2,328,502,863.21
  5. Step 5: Solve for x
    x = 2,328,502,863.21/54,921.78
  6. Step 6: Final answer
    x = 42,396.71

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