Home / 81,984.79-113,147.06-47,991.23

Finding the Fourth Proportional to 81,984.79, 113,147.06 and 47,991.23

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Solution

The fourth proportional to 81,984.79, 113,147.06 and 47,991.23 is: 66,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,984.79 : 113,147.06 = 47,991.23 : x
  2. Step 2: Convert to fraction form
    81,984.79/113,147.06 = 47,991.23/x
  3. Step 3: Cross multiply
    81,984.79x = 113,147.06 × 47,991.23
  4. Step 4: Simplify right side
    81,984.79x = 5,430,066,580.28
  5. Step 5: Solve for x
    x = 5,430,066,580.28/81,984.79
  6. Step 6: Final answer
    x = 66,232.61

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