Home / 101,821.24-152,753.94-42,626.44

Finding the Fourth Proportional to 101,821.24, 152,753.94 and 42,626.44

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Solution

The fourth proportional to 101,821.24, 152,753.94 and 42,626.44 is: 63,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,821.24 : 152,753.94 = 42,626.44 : x
  2. Step 2: Convert to fraction form
    101,821.24/152,753.94 = 42,626.44/x
  3. Step 3: Cross multiply
    101,821.24x = 152,753.94 × 42,626.44
  4. Step 4: Simplify right side
    101,821.24x = 6,511,356,658.17
  5. Step 5: Solve for x
    x = 6,511,356,658.17/101,821.24
  6. Step 6: Final answer
    x = 63,948.90

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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.