Home / 53,709.20-80,563.40-16,269.20

Finding the Fourth Proportional to 53,709.20, 80,563.40 and 16,269.20

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Solution

The fourth proportional to 53,709.20, 80,563.40 and 16,269.20 is: 24,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.20 : 80,563.40 = 16,269.20 : x
  2. Step 2: Convert to fraction form
    53,709.20/80,563.40 = 16,269.20/x
  3. Step 3: Cross multiply
    53,709.20x = 80,563.40 × 16,269.20
  4. Step 4: Simplify right side
    53,709.20x = 1,310,702,067.28
  5. Step 5: Solve for x
    x = 1,310,702,067.28/53,709.20
  6. Step 6: Final answer
    x = 24,403.68

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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.