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Finding the Fourth Proportional to 82,829.40, 114,315.12 and 61,668.96

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Solution

The fourth proportional to 82,829.40, 114,315.12 and 61,668.96 is: 85,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,829.40 : 114,315.12 = 61,668.96 : x
  2. Step 2: Convert to fraction form
    82,829.40/114,315.12 = 61,668.96/x
  3. Step 3: Cross multiply
    82,829.40x = 114,315.12 × 61,668.96
  4. Step 4: Simplify right side
    82,829.40x = 7,049,694,562.68
  5. Step 5: Solve for x
    x = 7,049,694,562.68/82,829.40
  6. Step 6: Final answer
    x = 85,111.02

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