Home / 53,621.25-80,429.85-16,180.33

Finding the Fourth Proportional to 53,621.25, 80,429.85 and 16,180.33

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Solution

The fourth proportional to 53,621.25, 80,429.85 and 16,180.33 is: 24,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.25 : 80,429.85 = 16,180.33 : x
  2. Step 2: Convert to fraction form
    53,621.25/80,429.85 = 16,180.33/x
  3. Step 3: Cross multiply
    53,621.25x = 80,429.85 × 16,180.33
  4. Step 4: Simplify right side
    53,621.25x = 1,301,381,514.85
  5. Step 5: Solve for x
    x = 1,301,381,514.85/53,621.25
  6. Step 6: Final answer
    x = 24,269.88

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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.