Home / 82,428.24-113,731.92-55,620.48

Finding the Fourth Proportional to 82,428.24, 113,731.92 and 55,620.48

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Solution

The fourth proportional to 82,428.24, 113,731.92 and 55,620.48 is: 76,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,428.24 : 113,731.92 = 55,620.48 : x
  2. Step 2: Convert to fraction form
    82,428.24/113,731.92 = 55,620.48/x
  3. Step 3: Cross multiply
    82,428.24x = 113,731.92 × 55,620.48
  4. Step 4: Simplify right side
    82,428.24x = 6,325,823,981.72
  5. Step 5: Solve for x
    x = 6,325,823,981.72/82,428.24
  6. Step 6: Final answer
    x = 76,743.41

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