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Finding the Fourth Proportional to 87,602.46, 120,749.40 and 68,448.75

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Solution

The fourth proportional to 87,602.46, 120,749.40 and 68,448.75 is: 94,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,602.46 : 120,749.40 = 68,448.75 : x
  2. Step 2: Convert to fraction form
    87,602.46/120,749.40 = 68,448.75/x
  3. Step 3: Cross multiply
    87,602.46x = 120,749.40 × 68,448.75
  4. Step 4: Simplify right side
    87,602.46x = 8,265,145,493.25
  5. Step 5: Solve for x
    x = 8,265,145,493.25/87,602.46
  6. Step 6: Final answer
    x = 94,348.33

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