Home / 89,169.38-123,050.22-53,338.04

Finding the Fourth Proportional to 89,169.38, 123,050.22 and 53,338.04

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Solution

The fourth proportional to 89,169.38, 123,050.22 and 53,338.04 is: 73,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,169.38 : 123,050.22 = 53,338.04 : x
  2. Step 2: Convert to fraction form
    89,169.38/123,050.22 = 53,338.04/x
  3. Step 3: Cross multiply
    89,169.38x = 123,050.22 × 53,338.04
  4. Step 4: Simplify right side
    89,169.38x = 6,563,257,556.37
  5. Step 5: Solve for x
    x = 6,563,257,556.37/89,169.38
  6. Step 6: Final answer
    x = 73,604.39

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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.