Home / 89,743.43-123,846.78-49,458.67

Finding the Fourth Proportional to 89,743.43, 123,846.78 and 49,458.67

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Solution

The fourth proportional to 89,743.43, 123,846.78 and 49,458.67 is: 68,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.43 : 123,846.78 = 49,458.67 : x
  2. Step 2: Convert to fraction form
    89,743.43/123,846.78 = 49,458.67/x
  3. Step 3: Cross multiply
    89,743.43x = 123,846.78 × 49,458.67
  4. Step 4: Simplify right side
    89,743.43x = 6,125,297,022.58
  5. Step 5: Solve for x
    x = 6,125,297,022.58/89,743.43
  6. Step 6: Final answer
    x = 68,253.43

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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.