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Finding the Fourth Proportional to 67,345.94, 100,997.04 and 31,801.76

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Solution

The fourth proportional to 67,345.94, 100,997.04 and 31,801.76 is: 47,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,345.94 : 100,997.04 = 31,801.76 : x
  2. Step 2: Convert to fraction form
    67,345.94/100,997.04 = 31,801.76/x
  3. Step 3: Cross multiply
    67,345.94x = 100,997.04 × 31,801.76
  4. Step 4: Simplify right side
    67,345.94x = 3,211,883,626.79
  5. Step 5: Solve for x
    x = 3,211,883,626.79/67,345.94
  6. Step 6: Final answer
    x = 47,692.31

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