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Finding the Fourth Proportional to 75,614.80, 113,422.20 and 50,731.60

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Solution

The fourth proportional to 75,614.80, 113,422.20 and 50,731.60 is: 76,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,614.80 : 113,422.20 = 50,731.60 : x
  2. Step 2: Convert to fraction form
    75,614.80/113,422.20 = 50,731.60/x
  3. Step 3: Cross multiply
    75,614.80x = 113,422.20 × 50,731.60
  4. Step 4: Simplify right side
    75,614.80x = 5,754,089,681.52
  5. Step 5: Solve for x
    x = 5,754,089,681.52/75,614.80
  6. Step 6: Final answer
    x = 76,097.40

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