Home / 57,789.45-79,755.18-33,915.61

Finding the Fourth Proportional to 57,789.45, 79,755.18 and 33,915.61

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Solution

The fourth proportional to 57,789.45, 79,755.18 and 33,915.61 is: 46,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,789.45 : 79,755.18 = 33,915.61 : x
  2. Step 2: Convert to fraction form
    57,789.45/79,755.18 = 33,915.61/x
  3. Step 3: Cross multiply
    57,789.45x = 79,755.18 × 33,915.61
  4. Step 4: Simplify right side
    57,789.45x = 2,704,945,743.65
  5. Step 5: Solve for x
    x = 2,704,945,743.65/57,789.45
  6. Step 6: Final answer
    x = 46,806.91

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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.