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Finding the Fourth Proportional to 77,571.36, 116,350.54 and 30,811.68

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Solution

The fourth proportional to 77,571.36, 116,350.54 and 30,811.68 is: 46,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,571.36 : 116,350.54 = 30,811.68 : x
  2. Step 2: Convert to fraction form
    77,571.36/116,350.54 = 30,811.68/x
  3. Step 3: Cross multiply
    77,571.36x = 116,350.54 × 30,811.68
  4. Step 4: Simplify right side
    77,571.36x = 3,584,955,606.31
  5. Step 5: Solve for x
    x = 3,584,955,606.31/77,571.36
  6. Step 6: Final answer
    x = 46,214.94

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