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Finding the Fourth Proportional to 79,774.20, 119,661.30 and 37,640.43

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Solution

The fourth proportional to 79,774.20, 119,661.30 and 37,640.43 is: 56,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.20 : 119,661.30 = 37,640.43 : x
  2. Step 2: Convert to fraction form
    79,774.20/119,661.30 = 37,640.43/x
  3. Step 3: Cross multiply
    79,774.20x = 119,661.30 × 37,640.43
  4. Step 4: Simplify right side
    79,774.20x = 4,504,102,786.36
  5. Step 5: Solve for x
    x = 4,504,102,786.36/79,774.20
  6. Step 6: Final answer
    x = 56,460.65

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