Home / 57,067.14-85,583.98-21,502.80

Finding the Fourth Proportional to 57,067.14, 85,583.98 and 21,502.80

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Solution

The fourth proportional to 57,067.14, 85,583.98 and 21,502.80 is: 32,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,067.14 : 85,583.98 = 21,502.80 : x
  2. Step 2: Convert to fraction form
    57,067.14/85,583.98 = 21,502.80/x
  3. Step 3: Cross multiply
    57,067.14x = 85,583.98 × 21,502.80
  4. Step 4: Simplify right side
    57,067.14x = 1,840,295,205.14
  5. Step 5: Solve for x
    x = 1,840,295,205.14/57,067.14
  6. Step 6: Final answer
    x = 32,247.90

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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.