Home / 82,410.20-113,625.78-69,640.28

Finding the Fourth Proportional to 82,410.20, 113,625.78 and 69,640.28

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Solution

The fourth proportional to 82,410.20, 113,625.78 and 69,640.28 is: 96,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,410.20 : 113,625.78 = 69,640.28 : x
  2. Step 2: Convert to fraction form
    82,410.20/113,625.78 = 69,640.28/x
  3. Step 3: Cross multiply
    82,410.20x = 113,625.78 × 69,640.28
  4. Step 4: Simplify right side
    82,410.20x = 7,912,931,134.42
  5. Step 5: Solve for x
    x = 7,912,931,134.42/82,410.20
  6. Step 6: Final answer
    x = 96,018.83

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