Home / 82,813.43-124,202.73-26,658.56

Finding the Fourth Proportional to 82,813.43, 124,202.73 and 26,658.56

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Solution

The fourth proportional to 82,813.43, 124,202.73 and 26,658.56 is: 39,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,813.43 : 124,202.73 = 26,658.56 : x
  2. Step 2: Convert to fraction form
    82,813.43/124,202.73 = 26,658.56/x
  3. Step 3: Cross multiply
    82,813.43x = 124,202.73 × 26,658.56
  4. Step 4: Simplify right side
    82,813.43x = 3,311,065,929.87
  5. Step 5: Solve for x
    x = 3,311,065,929.87/82,813.43
  6. Step 6: Final answer
    x = 39,982.23

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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.