Home / 53,909.68-80,821.32-36,158.80

Finding the Fourth Proportional to 53,909.68, 80,821.32 and 36,158.80

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Solution

The fourth proportional to 53,909.68, 80,821.32 and 36,158.80 is: 54,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.68 : 80,821.32 = 36,158.80 : x
  2. Step 2: Convert to fraction form
    53,909.68/80,821.32 = 36,158.80/x
  3. Step 3: Cross multiply
    53,909.68x = 80,821.32 × 36,158.80
  4. Step 4: Simplify right side
    53,909.68x = 2,922,401,945.62
  5. Step 5: Solve for x
    x = 2,922,401,945.62/53,909.68
  6. Step 6: Final answer
    x = 54,209.22

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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.