Home / 69,176.83-103,754.92-19,251.72

Finding the Fourth Proportional to 69,176.83, 103,754.92 and 19,251.72

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Solution

The fourth proportional to 69,176.83, 103,754.92 and 19,251.72 is: 28,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,176.83 : 103,754.92 = 19,251.72 : x
  2. Step 2: Convert to fraction form
    69,176.83/103,754.92 = 19,251.72/x
  3. Step 3: Cross multiply
    69,176.83x = 103,754.92 × 19,251.72
  4. Step 4: Simplify right side
    69,176.83x = 1,997,460,572.20
  5. Step 5: Solve for x
    x = 1,997,460,572.20/69,176.83
  6. Step 6: Final answer
    x = 28,874.71

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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.