Home / 79,749.92-110,059.88-43,939.96

Finding the Fourth Proportional to 79,749.92, 110,059.88 and 43,939.96

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Solution

The fourth proportional to 79,749.92, 110,059.88 and 43,939.96 is: 60,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,749.92 : 110,059.88 = 43,939.96 : x
  2. Step 2: Convert to fraction form
    79,749.92/110,059.88 = 43,939.96/x
  3. Step 3: Cross multiply
    79,749.92x = 110,059.88 × 43,939.96
  4. Step 4: Simplify right side
    79,749.92x = 4,836,026,724.80
  5. Step 5: Solve for x
    x = 4,836,026,724.80/79,749.92
  6. Step 6: Final answer
    x = 60,639.89

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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.