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Finding the Fourth Proportional to 77,155.09, 106,473.50 and 43,163.42

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Solution

The fourth proportional to 77,155.09, 106,473.50 and 43,163.42 is: 59,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,155.09 : 106,473.50 = 43,163.42 : x
  2. Step 2: Convert to fraction form
    77,155.09/106,473.50 = 43,163.42/x
  3. Step 3: Cross multiply
    77,155.09x = 106,473.50 × 43,163.42
  4. Step 4: Simplify right side
    77,155.09x = 4,595,760,399.37
  5. Step 5: Solve for x
    x = 4,595,760,399.37/77,155.09
  6. Step 6: Final answer
    x = 59,565.23

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