Home / 90,223.68-124,506.18-49,936.44

Finding the Fourth Proportional to 90,223.68, 124,506.18 and 49,936.44

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Solution

The fourth proportional to 90,223.68, 124,506.18 and 49,936.44 is: 68,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,223.68 : 124,506.18 = 49,936.44 : x
  2. Step 2: Convert to fraction form
    90,223.68/124,506.18 = 49,936.44/x
  3. Step 3: Cross multiply
    90,223.68x = 124,506.18 × 49,936.44
  4. Step 4: Simplify right side
    90,223.68x = 6,217,395,387.20
  5. Step 5: Solve for x
    x = 6,217,395,387.20/90,223.68
  6. Step 6: Final answer
    x = 68,910.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.