Home / 76,949.52-106,190.44-43,418.64

Finding the Fourth Proportional to 76,949.52, 106,190.44 and 43,418.64

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Solution

The fourth proportional to 76,949.52, 106,190.44 and 43,418.64 is: 59,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,949.52 : 106,190.44 = 43,418.64 : x
  2. Step 2: Convert to fraction form
    76,949.52/106,190.44 = 43,418.64/x
  3. Step 3: Cross multiply
    76,949.52x = 106,190.44 × 43,418.64
  4. Step 4: Simplify right side
    76,949.52x = 4,610,644,485.80
  5. Step 5: Solve for x
    x = 4,610,644,485.80/76,949.52
  6. Step 6: Final answer
    x = 59,917.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.