Home / 62,789.58-94,192.11-20,658.83

Finding the Fourth Proportional to 62,789.58, 94,192.11 and 20,658.83

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Solution

The fourth proportional to 62,789.58, 94,192.11 and 20,658.83 is: 30,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,789.58 : 94,192.11 = 20,658.83 : x
  2. Step 2: Convert to fraction form
    62,789.58/94,192.11 = 20,658.83/x
  3. Step 3: Cross multiply
    62,789.58x = 94,192.11 × 20,658.83
  4. Step 4: Simplify right side
    62,789.58x = 1,945,898,316.87
  5. Step 5: Solve for x
    x = 1,945,898,316.87/62,789.58
  6. Step 6: Final answer
    x = 30,990.78

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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.