Home / 68,198.12-102,297.18-26,082.48

Finding the Fourth Proportional to 68,198.12, 102,297.18 and 26,082.48

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Solution

The fourth proportional to 68,198.12, 102,297.18 and 26,082.48 is: 39,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,198.12 : 102,297.18 = 26,082.48 : x
  2. Step 2: Convert to fraction form
    68,198.12/102,297.18 = 26,082.48/x
  3. Step 3: Cross multiply
    68,198.12x = 102,297.18 × 26,082.48
  4. Step 4: Simplify right side
    68,198.12x = 2,668,164,151.41
  5. Step 5: Solve for x
    x = 2,668,164,151.41/68,198.12
  6. Step 6: Final answer
    x = 39,123.72

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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.