Home / 49,048.74-67,685.22-28,906.47

Finding the Fourth Proportional to 49,048.74, 67,685.22 and 28,906.47

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Solution

The fourth proportional to 49,048.74, 67,685.22 and 28,906.47 is: 39,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,048.74 : 67,685.22 = 28,906.47 : x
  2. Step 2: Convert to fraction form
    49,048.74/67,685.22 = 28,906.47/x
  3. Step 3: Cross multiply
    49,048.74x = 67,685.22 × 28,906.47
  4. Step 4: Simplify right side
    49,048.74x = 1,956,540,781.37
  5. Step 5: Solve for x
    x = 1,956,540,781.37/49,048.74
  6. Step 6: Final answer
    x = 39,889.73

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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.