Home / 107,772.36-161,742.78-74,725.20

Finding the Fourth Proportional to 107,772.36, 161,742.78 and 74,725.20

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Solution

The fourth proportional to 107,772.36, 161,742.78 and 74,725.20 is: 112,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,772.36 : 161,742.78 = 74,725.20 : x
  2. Step 2: Convert to fraction form
    107,772.36/161,742.78 = 74,725.20/x
  3. Step 3: Cross multiply
    107,772.36x = 161,742.78 × 74,725.20
  4. Step 4: Simplify right side
    107,772.36x = 12,086,261,584.06
  5. Step 5: Solve for x
    x = 12,086,261,584.06/107,772.36
  6. Step 6: Final answer
    x = 112,146.21

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