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Finding the Fourth Proportional to 82,061.44, 113,720.44 and 80,486.56

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Solution

The fourth proportional to 82,061.44, 113,720.44 and 80,486.56 is: 111,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,061.44 : 113,720.44 = 80,486.56 : x
  2. Step 2: Convert to fraction form
    82,061.44/113,720.44 = 80,486.56/x
  3. Step 3: Cross multiply
    82,061.44x = 113,720.44 × 80,486.56
  4. Step 4: Simplify right side
    82,061.44x = 9,152,967,017.29
  5. Step 5: Solve for x
    x = 9,152,967,017.29/82,061.44
  6. Step 6: Final answer
    x = 111,537.98

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