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Finding the Fourth Proportional to 76,940.34, 106,225.67 and 49,730.66

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Solution

The fourth proportional to 76,940.34, 106,225.67 and 49,730.66 is: 68,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,940.34 : 106,225.67 = 49,730.66 : x
  2. Step 2: Convert to fraction form
    76,940.34/106,225.67 = 49,730.66/x
  3. Step 3: Cross multiply
    76,940.34x = 106,225.67 × 49,730.66
  4. Step 4: Simplify right side
    76,940.34x = 5,282,672,694.95
  5. Step 5: Solve for x
    x = 5,282,672,694.95/76,940.34
  6. Step 6: Final answer
    x = 68,659.34

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