Home / 54,921.88-75,791.40-31,047.76

Finding the Fourth Proportional to 54,921.88, 75,791.40 and 31,047.76

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Solution

The fourth proportional to 54,921.88, 75,791.40 and 31,047.76 is: 42,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.88 : 75,791.40 = 31,047.76 : x
  2. Step 2: Convert to fraction form
    54,921.88/75,791.40 = 31,047.76/x
  3. Step 3: Cross multiply
    54,921.88x = 75,791.40 × 31,047.76
  4. Step 4: Simplify right side
    54,921.88x = 2,353,153,197.26
  5. Step 5: Solve for x
    x = 2,353,153,197.26/54,921.88
  6. Step 6: Final answer
    x = 42,845.46

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