Home / 49,110.20-73,665.29-12,174.20

Finding the Fourth Proportional to 49,110.20, 73,665.29 and 12,174.20

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Solution

The fourth proportional to 49,110.20, 73,665.29 and 12,174.20 is: 18,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,110.20 : 73,665.29 = 12,174.20 : x
  2. Step 2: Convert to fraction form
    49,110.20/73,665.29 = 12,174.20/x
  3. Step 3: Cross multiply
    49,110.20x = 73,665.29 × 12,174.20
  4. Step 4: Simplify right side
    49,110.20x = 896,815,544.32
  5. Step 5: Solve for x
    x = 896,815,544.32/49,110.20
  6. Step 6: Final answer
    x = 18,261.29

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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.