Home / 82,022.20-123,033.30-19,692.70

Finding the Fourth Proportional to 82,022.20, 123,033.30 and 19,692.70

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Solution

The fourth proportional to 82,022.20, 123,033.30 and 19,692.70 is: 29,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,022.20 : 123,033.30 = 19,692.70 : x
  2. Step 2: Convert to fraction form
    82,022.20/123,033.30 = 19,692.70/x
  3. Step 3: Cross multiply
    82,022.20x = 123,033.30 × 19,692.70
  4. Step 4: Simplify right side
    82,022.20x = 2,422,857,866.91
  5. Step 5: Solve for x
    x = 2,422,857,866.91/82,022.20
  6. Step 6: Final answer
    x = 29,539.05

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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.