Home / 41,285.85-61,905.99-13,198.10

Finding the Fourth Proportional to 41,285.85, 61,905.99 and 13,198.10

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Solution

The fourth proportional to 41,285.85, 61,905.99 and 13,198.10 is: 19,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,285.85 : 61,905.99 = 13,198.10 : x
  2. Step 2: Convert to fraction form
    41,285.85/61,905.99 = 13,198.10/x
  3. Step 3: Cross multiply
    41,285.85x = 61,905.99 × 13,198.10
  4. Step 4: Simplify right side
    41,285.85x = 817,041,137.09
  5. Step 5: Solve for x
    x = 817,041,137.09/41,285.85
  6. Step 6: Final answer
    x = 19,789.86

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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.