Home / 49,106.43-67,764.68-28,690.38

Finding the Fourth Proportional to 49,106.43, 67,764.68 and 28,690.38

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Solution

The fourth proportional to 49,106.43, 67,764.68 and 28,690.38 is: 39,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,106.43 : 67,764.68 = 28,690.38 : x
  2. Step 2: Convert to fraction form
    49,106.43/67,764.68 = 28,690.38/x
  3. Step 3: Cross multiply
    49,106.43x = 67,764.68 × 28,690.38
  4. Step 4: Simplify right side
    49,106.43x = 1,944,194,276.33
  5. Step 5: Solve for x
    x = 1,944,194,276.33/49,106.43
  6. Step 6: Final answer
    x = 39,591.44

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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.