Home / 69,945.53-104,947.11-51,320.52

Finding the Fourth Proportional to 69,945.53, 104,947.11 and 51,320.52

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Solution

The fourth proportional to 69,945.53, 104,947.11 and 51,320.52 is: 77,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,945.53 : 104,947.11 = 51,320.52 : x
  2. Step 2: Convert to fraction form
    69,945.53/104,947.11 = 51,320.52/x
  3. Step 3: Cross multiply
    69,945.53x = 104,947.11 × 51,320.52
  4. Step 4: Simplify right side
    69,945.53x = 5,385,940,257.70
  5. Step 5: Solve for x
    x = 5,385,940,257.70/69,945.53
  6. Step 6: Final answer
    x = 77,001.93

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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.