Home / 80,958.43-111,730.67-60,504.97

Finding the Fourth Proportional to 80,958.43, 111,730.67 and 60,504.97

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Solution

The fourth proportional to 80,958.43, 111,730.67 and 60,504.97 is: 83,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,958.43 : 111,730.67 = 60,504.97 : x
  2. Step 2: Convert to fraction form
    80,958.43/111,730.67 = 60,504.97/x
  3. Step 3: Cross multiply
    80,958.43x = 111,730.67 × 60,504.97
  4. Step 4: Simplify right side
    80,958.43x = 6,760,260,836.43
  5. Step 5: Solve for x
    x = 6,760,260,836.43/80,958.43
  6. Step 6: Final answer
    x = 83,502.86

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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.