Home / 54,128.16-74,696.40-31,162.48

Finding the Fourth Proportional to 54,128.16, 74,696.40 and 31,162.48

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Solution

The fourth proportional to 54,128.16, 74,696.40 and 31,162.48 is: 43,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.16 : 74,696.40 = 31,162.48 : x
  2. Step 2: Convert to fraction form
    54,128.16/74,696.40 = 31,162.48/x
  3. Step 3: Cross multiply
    54,128.16x = 74,696.40 × 31,162.48
  4. Step 4: Simplify right side
    54,128.16x = 2,327,724,884.33
  5. Step 5: Solve for x
    x = 2,327,724,884.33/54,128.16
  6. Step 6: Final answer
    x = 43,003.95

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