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Finding the Fourth Proportional to 73,124.80, 109,687.20 and 53,441.80

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Solution

The fourth proportional to 73,124.80, 109,687.20 and 53,441.80 is: 80,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,124.80 : 109,687.20 = 53,441.80 : x
  2. Step 2: Convert to fraction form
    73,124.80/109,687.20 = 53,441.80/x
  3. Step 3: Cross multiply
    73,124.80x = 109,687.20 × 53,441.80
  4. Step 4: Simplify right side
    73,124.80x = 5,861,881,404.96
  5. Step 5: Solve for x
    x = 5,861,881,404.96/73,124.80
  6. Step 6: Final answer
    x = 80,162.70

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