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Finding the Fourth Proportional to 77,273.20, 115,816.20 and 32,806.60

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Solution

The fourth proportional to 77,273.20, 115,816.20 and 32,806.60 is: 49,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,273.20 : 115,816.20 = 32,806.60 : x
  2. Step 2: Convert to fraction form
    77,273.20/115,816.20 = 32,806.60/x
  3. Step 3: Cross multiply
    77,273.20x = 115,816.20 × 32,806.60
  4. Step 4: Simplify right side
    77,273.20x = 3,799,535,746.92
  5. Step 5: Solve for x
    x = 3,799,535,746.92/77,273.20
  6. Step 6: Final answer
    x = 49,170.16

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