Home / 82,299.36-123,439.68-23,137.44

Finding the Fourth Proportional to 82,299.36, 123,439.68 and 23,137.44

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Solution

The fourth proportional to 82,299.36, 123,439.68 and 23,137.44 is: 34,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,299.36 : 123,439.68 = 23,137.44 : x
  2. Step 2: Convert to fraction form
    82,299.36/123,439.68 = 23,137.44/x
  3. Step 3: Cross multiply
    82,299.36x = 123,439.68 × 23,137.44
  4. Step 4: Simplify right side
    82,299.36x = 2,856,078,189.62
  5. Step 5: Solve for x
    x = 2,856,078,189.62/82,299.36
  6. Step 6: Final answer
    x = 34,703.53

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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.