Home / 53,781.87-80,672.77-16,341.80

Finding the Fourth Proportional to 53,781.87, 80,672.77 and 16,341.80

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Solution

The fourth proportional to 53,781.87, 80,672.77 and 16,341.80 is: 24,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.87 : 80,672.77 = 16,341.80 : x
  2. Step 2: Convert to fraction form
    53,781.87/80,672.77 = 16,341.80/x
  3. Step 3: Cross multiply
    53,781.87x = 80,672.77 × 16,341.80
  4. Step 4: Simplify right side
    53,781.87x = 1,318,337,889.85
  5. Step 5: Solve for x
    x = 1,318,337,889.85/53,781.87
  6. Step 6: Final answer
    x = 24,512.68

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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.