Home / 51,917.92-77,947.92-51,295.84

Finding the Fourth Proportional to 51,917.92, 77,947.92 and 51,295.84

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Solution

The fourth proportional to 51,917.92, 77,947.92 and 51,295.84 is: 77,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,917.92 : 77,947.92 = 51,295.84 : x
  2. Step 2: Convert to fraction form
    51,917.92/77,947.92 = 51,295.84/x
  3. Step 3: Cross multiply
    51,917.92x = 77,947.92 × 51,295.84
  4. Step 4: Simplify right side
    51,917.92x = 3,998,404,032.65
  5. Step 5: Solve for x
    x = 3,998,404,032.65/51,917.92
  6. Step 6: Final answer
    x = 77,013.95

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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.