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Finding the Fourth Proportional to 80,297.97, 120,315.55 and 48,611.99

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Solution

The fourth proportional to 80,297.97, 120,315.55 and 48,611.99 is: 72,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,297.97 : 120,315.55 = 48,611.99 : x
  2. Step 2: Convert to fraction form
    80,297.97/120,315.55 = 48,611.99/x
  3. Step 3: Cross multiply
    80,297.97x = 120,315.55 × 48,611.99
  4. Step 4: Simplify right side
    80,297.97x = 5,848,778,313.44
  5. Step 5: Solve for x
    x = 5,848,778,313.44/80,297.97
  6. Step 6: Final answer
    x = 72,838.43

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