Home / 82,324.04-123,486.44-19,994.56

Finding the Fourth Proportional to 82,324.04, 123,486.44 and 19,994.56

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Solution

The fourth proportional to 82,324.04, 123,486.44 and 19,994.56 is: 29,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,324.04 : 123,486.44 = 19,994.56 : x
  2. Step 2: Convert to fraction form
    82,324.04/123,486.44 = 19,994.56/x
  3. Step 3: Cross multiply
    82,324.04x = 123,486.44 × 19,994.56
  4. Step 4: Simplify right side
    82,324.04x = 2,469,057,033.77
  5. Step 5: Solve for x
    x = 2,469,057,033.77/82,324.04
  6. Step 6: Final answer
    x = 29,991.93

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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.