Home / 54,074.53-80,998.69-43,487.22

Finding the Fourth Proportional to 54,074.53, 80,998.69 and 43,487.22

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Solution

The fourth proportional to 54,074.53, 80,998.69 and 43,487.22 is: 65,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.53 : 80,998.69 = 43,487.22 : x
  2. Step 2: Convert to fraction form
    54,074.53/80,998.69 = 43,487.22/x
  3. Step 3: Cross multiply
    54,074.53x = 80,998.69 × 43,487.22
  4. Step 4: Simplify right side
    54,074.53x = 3,522,408,128.31
  5. Step 5: Solve for x
    x = 3,522,408,128.31/54,074.53
  6. Step 6: Final answer
    x = 65,139.87

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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.