Home / 49,403.09-74,105.73-17,815.70

Finding the Fourth Proportional to 49,403.09, 74,105.73 and 17,815.70

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Solution

The fourth proportional to 49,403.09, 74,105.73 and 17,815.70 is: 26,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,403.09 : 74,105.73 = 17,815.70 : x
  2. Step 2: Convert to fraction form
    49,403.09/74,105.73 = 17,815.70/x
  3. Step 3: Cross multiply
    49,403.09x = 74,105.73 × 17,815.70
  4. Step 4: Simplify right side
    49,403.09x = 1,320,245,083.43
  5. Step 5: Solve for x
    x = 1,320,245,083.43/49,403.09
  6. Step 6: Final answer
    x = 26,723.94

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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.