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Finding the Fourth Proportional to 67,421.75, 101,194.74 and 34,165.38

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Solution

The fourth proportional to 67,421.75, 101,194.74 and 34,165.38 is: 51,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.75 : 101,194.74 = 34,165.38 : x
  2. Step 2: Convert to fraction form
    67,421.75/101,194.74 = 34,165.38/x
  3. Step 3: Cross multiply
    67,421.75x = 101,194.74 × 34,165.38
  4. Step 4: Simplify right side
    67,421.75x = 3,457,356,746.10
  5. Step 5: Solve for x
    x = 3,457,356,746.10/67,421.75
  6. Step 6: Final answer
    x = 51,279.55

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