Home / 53,945.20-80,917.36-16,505.12

Finding the Fourth Proportional to 53,945.20, 80,917.36 and 16,505.12

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Solution

The fourth proportional to 53,945.20, 80,917.36 and 16,505.12 is: 24,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945.20 : 80,917.36 = 16,505.12 : x
  2. Step 2: Convert to fraction form
    53,945.20/80,917.36 = 16,505.12/x
  3. Step 3: Cross multiply
    53,945.20x = 80,917.36 × 16,505.12
  4. Step 4: Simplify right side
    53,945.20x = 1,335,550,736.88
  5. Step 5: Solve for x
    x = 1,335,550,736.88/53,945.20
  6. Step 6: Final answer
    x = 24,757.55

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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.