Home / 51,849.72-77,769.72-16,789.68

Finding the Fourth Proportional to 51,849.72, 77,769.72 and 16,789.68

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Solution

The fourth proportional to 51,849.72, 77,769.72 and 16,789.68 is: 25,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,849.72 : 77,769.72 = 16,789.68 : x
  2. Step 2: Convert to fraction form
    51,849.72/77,769.72 = 16,789.68/x
  3. Step 3: Cross multiply
    51,849.72x = 77,769.72 × 16,789.68
  4. Step 4: Simplify right side
    51,849.72x = 1,305,728,712.49
  5. Step 5: Solve for x
    x = 1,305,728,712.49/51,849.72
  6. Step 6: Final answer
    x = 25,182.95

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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.