Home / 53,819.09-80,728.63-16,375.83

Finding the Fourth Proportional to 53,819.09, 80,728.63 and 16,375.83

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Solution

The fourth proportional to 53,819.09, 80,728.63 and 16,375.83 is: 24,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,819.09 : 80,728.63 = 16,375.83 : x
  2. Step 2: Convert to fraction form
    53,819.09/80,728.63 = 16,375.83/x
  3. Step 3: Cross multiply
    53,819.09x = 80,728.63 × 16,375.83
  4. Step 4: Simplify right side
    53,819.09x = 1,321,998,321.01
  5. Step 5: Solve for x
    x = 1,321,998,321.01/53,819.09
  6. Step 6: Final answer
    x = 24,563.74

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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.