Home / 82,357.70-123,556.80-23,192.60

Finding the Fourth Proportional to 82,357.70, 123,556.80 and 23,192.60

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Solution

The fourth proportional to 82,357.70, 123,556.80 and 23,192.60 is: 34,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,357.70 : 123,556.80 = 23,192.60 : x
  2. Step 2: Convert to fraction form
    82,357.70/123,556.80 = 23,192.60/x
  3. Step 3: Cross multiply
    82,357.70x = 123,556.80 × 23,192.60
  4. Step 4: Simplify right side
    82,357.70x = 2,865,603,439.68
  5. Step 5: Solve for x
    x = 2,865,603,439.68/82,357.70
  6. Step 6: Final answer
    x = 34,794.60

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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.