Home / 74,213.21-111,252.35-38,632.73

Finding the Fourth Proportional to 74,213.21, 111,252.35 and 38,632.73

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Solution

The fourth proportional to 74,213.21, 111,252.35 and 38,632.73 is: 57,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,213.21 : 111,252.35 = 38,632.73 : x
  2. Step 2: Convert to fraction form
    74,213.21/111,252.35 = 38,632.73/x
  3. Step 3: Cross multiply
    74,213.21x = 111,252.35 × 38,632.73
  4. Step 4: Simplify right side
    74,213.21x = 4,297,981,562.89
  5. Step 5: Solve for x
    x = 4,297,981,562.89/74,213.21
  6. Step 6: Final answer
    x = 57,913.97

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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.