Home / 48,542.09-72,813.11-13,481.73

Finding the Fourth Proportional to 48,542.09, 72,813.11 and 13,481.73

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Solution

The fourth proportional to 48,542.09, 72,813.11 and 13,481.73 is: 20,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542.09 : 72,813.11 = 13,481.73 : x
  2. Step 2: Convert to fraction form
    48,542.09/72,813.11 = 13,481.73/x
  3. Step 3: Cross multiply
    48,542.09x = 72,813.11 × 13,481.73
  4. Step 4: Simplify right side
    48,542.09x = 981,646,622.07
  5. Step 5: Solve for x
    x = 981,646,622.07/48,542.09
  6. Step 6: Final answer
    x = 20,222.59

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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.