Home / 45,821.99-68,743.72-14,230.44

Finding the Fourth Proportional to 45,821.99, 68,743.72 and 14,230.44

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Solution

The fourth proportional to 45,821.99, 68,743.72 and 14,230.44 is: 21,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821.99 : 68,743.72 = 14,230.44 : x
  2. Step 2: Convert to fraction form
    45,821.99/68,743.72 = 14,230.44/x
  3. Step 3: Cross multiply
    45,821.99x = 68,743.72 × 14,230.44
  4. Step 4: Simplify right side
    45,821.99x = 978,253,400.62
  5. Step 5: Solve for x
    x = 978,253,400.62/45,821.99
  6. Step 6: Final answer
    x = 21,348.99

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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.