Home / 69,724.72-96,220.80-41,424.94

Finding the Fourth Proportional to 69,724.72, 96,220.80 and 41,424.94

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Solution

The fourth proportional to 69,724.72, 96,220.80 and 41,424.94 is: 57,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,724.72 : 96,220.80 = 41,424.94 : x
  2. Step 2: Convert to fraction form
    69,724.72/96,220.80 = 41,424.94/x
  3. Step 3: Cross multiply
    69,724.72x = 96,220.80 × 41,424.94
  4. Step 4: Simplify right side
    69,724.72x = 3,985,940,626.20
  5. Step 5: Solve for x
    x = 3,985,940,626.20/69,724.72
  6. Step 6: Final answer
    x = 57,166.82

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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.