Home / 57,499.92-86,222.57-20,055.44

Finding the Fourth Proportional to 57,499.92, 86,222.57 and 20,055.44

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Solution

The fourth proportional to 57,499.92, 86,222.57 and 20,055.44 is: 30,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,499.92 : 86,222.57 = 20,055.44 : x
  2. Step 2: Convert to fraction form
    57,499.92/86,222.57 = 20,055.44/x
  3. Step 3: Cross multiply
    57,499.92x = 86,222.57 × 20,055.44
  4. Step 4: Simplify right side
    57,499.92x = 1,729,231,694.56
  5. Step 5: Solve for x
    x = 1,729,231,694.56/57,499.92
  6. Step 6: Final answer
    x = 30,073.64

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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.