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Finding the Fourth Proportional to 72,692.24, 109,010.68 and 47,725.61

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Solution

The fourth proportional to 72,692.24, 109,010.68 and 47,725.61 is: 71,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,692.24 : 109,010.68 = 47,725.61 : x
  2. Step 2: Convert to fraction form
    72,692.24/109,010.68 = 47,725.61/x
  3. Step 3: Cross multiply
    72,692.24x = 109,010.68 × 47,725.61
  4. Step 4: Simplify right side
    72,692.24x = 5,202,600,535.15
  5. Step 5: Solve for x
    x = 5,202,600,535.15/72,692.24
  6. Step 6: Final answer
    x = 71,570.24

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