Home / 49,441.23-74,161.85-28,679.31

Finding the Fourth Proportional to 49,441.23, 74,161.85 and 28,679.31

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Solution

The fourth proportional to 49,441.23, 74,161.85 and 28,679.31 is: 43,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,441.23 : 74,161.85 = 28,679.31 : x
  2. Step 2: Convert to fraction form
    49,441.23/74,161.85 = 28,679.31/x
  3. Step 3: Cross multiply
    49,441.23x = 74,161.85 × 28,679.31
  4. Step 4: Simplify right side
    49,441.23x = 2,126,910,542.93
  5. Step 5: Solve for x
    x = 2,126,910,542.93/49,441.23
  6. Step 6: Final answer
    x = 43,018.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.