Home / 85,453.56-128,226.36-35,568.12

Finding the Fourth Proportional to 85,453.56, 128,226.36 and 35,568.12

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Solution

The fourth proportional to 85,453.56, 128,226.36 and 35,568.12 is: 53,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,453.56 : 128,226.36 = 35,568.12 : x
  2. Step 2: Convert to fraction form
    85,453.56/128,226.36 = 35,568.12/x
  3. Step 3: Cross multiply
    85,453.56x = 128,226.36 × 35,568.12
  4. Step 4: Simplify right side
    85,453.56x = 4,560,770,559.64
  5. Step 5: Solve for x
    x = 4,560,770,559.64/85,453.56
  6. Step 6: Final answer
    x = 53,371.33

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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.