Home / 75,834.43-104,644.41-73,286.57

Finding the Fourth Proportional to 75,834.43, 104,644.41 and 73,286.57

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Solution

The fourth proportional to 75,834.43, 104,644.41 and 73,286.57 is: 101,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,834.43 : 104,644.41 = 73,286.57 : x
  2. Step 2: Convert to fraction form
    75,834.43/104,644.41 = 73,286.57/x
  3. Step 3: Cross multiply
    75,834.43x = 104,644.41 × 73,286.57
  4. Step 4: Simplify right side
    75,834.43x = 7,669,029,865.36
  5. Step 5: Solve for x
    x = 7,669,029,865.36/75,834.43
  6. Step 6: Final answer
    x = 101,128.61

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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.