Home / 57,049.38-85,610.88-30,772.44

Finding the Fourth Proportional to 57,049.38, 85,610.88 and 30,772.44

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Solution

The fourth proportional to 57,049.38, 85,610.88 and 30,772.44 is: 46,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,049.38 : 85,610.88 = 30,772.44 : x
  2. Step 2: Convert to fraction form
    57,049.38/85,610.88 = 30,772.44/x
  3. Step 3: Cross multiply
    57,049.38x = 85,610.88 × 30,772.44
  4. Step 4: Simplify right side
    57,049.38x = 2,634,455,668.15
  5. Step 5: Solve for x
    x = 2,634,455,668.15/57,049.38
  6. Step 6: Final answer
    x = 46,178.52

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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.