Home / 49,409.57-74,105.96-13,862.72

Finding the Fourth Proportional to 49,409.57, 74,105.96 and 13,862.72

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Solution

The fourth proportional to 49,409.57, 74,105.96 and 13,862.72 is: 20,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409.57 : 74,105.96 = 13,862.72 : x
  2. Step 2: Convert to fraction form
    49,409.57/74,105.96 = 13,862.72/x
  3. Step 3: Cross multiply
    49,409.57x = 74,105.96 × 13,862.72
  4. Step 4: Simplify right side
    49,409.57x = 1,027,310,289.76
  5. Step 5: Solve for x
    x = 1,027,310,289.76/49,409.57
  6. Step 6: Final answer
    x = 20,791.73

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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.