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Finding the Fourth Proportional to 77,342.12, 106,732.12 and 43,808.12

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Solution

The fourth proportional to 77,342.12, 106,732.12 and 43,808.12 is: 60,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,342.12 : 106,732.12 = 43,808.12 : x
  2. Step 2: Convert to fraction form
    77,342.12/106,732.12 = 43,808.12/x
  3. Step 3: Cross multiply
    77,342.12x = 106,732.12 × 43,808.12
  4. Step 4: Simplify right side
    77,342.12x = 4,675,733,520.81
  5. Step 5: Solve for x
    x = 4,675,733,520.81/77,342.12
  6. Step 6: Final answer
    x = 60,455.20

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