Home / 54,024.20-80,906.70-43,656.20

Finding the Fourth Proportional to 54,024.20, 80,906.70 and 43,656.20

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Solution

The fourth proportional to 54,024.20, 80,906.70 and 43,656.20 is: 65,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,024.20 : 80,906.70 = 43,656.20 : x
  2. Step 2: Convert to fraction form
    54,024.20/80,906.70 = 43,656.20/x
  3. Step 3: Cross multiply
    54,024.20x = 80,906.70 × 43,656.20
  4. Step 4: Simplify right side
    54,024.20x = 3,532,079,076.54
  5. Step 5: Solve for x
    x = 3,532,079,076.54/54,024.20
  6. Step 6: Final answer
    x = 65,379.57

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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.