Home / 80,836.43-121,201.83-38,715.14

Finding the Fourth Proportional to 80,836.43, 121,201.83 and 38,715.14

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Solution

The fourth proportional to 80,836.43, 121,201.83 and 38,715.14 is: 58,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,836.43 : 121,201.83 = 38,715.14 : x
  2. Step 2: Convert to fraction form
    80,836.43/121,201.83 = 38,715.14/x
  3. Step 3: Cross multiply
    80,836.43x = 121,201.83 × 38,715.14
  4. Step 4: Simplify right side
    80,836.43x = 4,692,345,210.70
  5. Step 5: Solve for x
    x = 4,692,345,210.70/80,836.43
  6. Step 6: Final answer
    x = 58,047.41

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