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Finding the Fourth Proportional to 84,930.70, 117,210.90 and 50,940.49

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Solution

The fourth proportional to 84,930.70, 117,210.90 and 50,940.49 is: 70,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,930.70 : 117,210.90 = 50,940.49 : x
  2. Step 2: Convert to fraction form
    84,930.70/117,210.90 = 50,940.49/x
  3. Step 3: Cross multiply
    84,930.70x = 117,210.90 × 50,940.49
  4. Step 4: Simplify right side
    84,930.70x = 5,970,780,679.34
  5. Step 5: Solve for x
    x = 5,970,780,679.34/84,930.70
  6. Step 6: Final answer
    x = 70,301.80

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