Home / 53,617.62-80,400.43-16,170.78

Finding the Fourth Proportional to 53,617.62, 80,400.43 and 16,170.78

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Solution

The fourth proportional to 53,617.62, 80,400.43 and 16,170.78 is: 24,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,617.62 : 80,400.43 = 16,170.78 : x
  2. Step 2: Convert to fraction form
    53,617.62/80,400.43 = 16,170.78/x
  3. Step 3: Cross multiply
    53,617.62x = 80,400.43 × 16,170.78
  4. Step 4: Simplify right side
    53,617.62x = 1,300,137,665.44
  5. Step 5: Solve for x
    x = 1,300,137,665.44/53,617.62
  6. Step 6: Final answer
    x = 24,248.33

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1.5x scale

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.