Home / 57,163.24-85,713.92-45,392.73

Finding the Fourth Proportional to 57,163.24, 85,713.92 and 45,392.73

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Solution

The fourth proportional to 57,163.24, 85,713.92 and 45,392.73 is: 68,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163.24 : 85,713.92 = 45,392.73 : x
  2. Step 2: Convert to fraction form
    57,163.24/85,713.92 = 45,392.73/x
  3. Step 3: Cross multiply
    57,163.24x = 85,713.92 × 45,392.73
  4. Step 4: Simplify right side
    57,163.24x = 3,890,788,941.28
  5. Step 5: Solve for x
    x = 3,890,788,941.28/57,163.24
  6. Step 6: Final answer
    x = 68,064.53

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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.