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Finding the Fourth Proportional to 75,719.40, 113,360.40 and 73,532.40

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Solution

The fourth proportional to 75,719.40, 113,360.40 and 73,532.40 is: 110,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,719.40 : 113,360.40 = 73,532.40 : x
  2. Step 2: Convert to fraction form
    75,719.40/113,360.40 = 73,532.40/x
  3. Step 3: Cross multiply
    75,719.40x = 113,360.40 × 73,532.40
  4. Step 4: Simplify right side
    75,719.40x = 8,335,662,276.96
  5. Step 5: Solve for x
    x = 8,335,662,276.96/75,719.40
  6. Step 6: Final answer
    x = 110,086.22

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