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Finding the Fourth Proportional to 76,885.72, 106,105.98 and 43,351

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Solution

The fourth proportional to 76,885.72, 106,105.98 and 43,351 is: 59,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,885.72 : 106,105.98 = 43,351 : x
  2. Step 2: Convert to fraction form
    76,885.72/106,105.98 = 43,351/x
  3. Step 3: Cross multiply
    76,885.72x = 106,105.98 × 43,351
  4. Step 4: Simplify right side
    76,885.72x = 4,599,800,338.98
  5. Step 5: Solve for x
    x = 4,599,800,338.98/76,885.72
  6. Step 6: Final answer
    x = 59,826.46

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