Home / 75,727.72-104,507.94-43,890.92

Finding the Fourth Proportional to 75,727.72, 104,507.94 and 43,890.92

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Solution

The fourth proportional to 75,727.72, 104,507.94 and 43,890.92 is: 60,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,727.72 : 104,507.94 = 43,890.92 : x
  2. Step 2: Convert to fraction form
    75,727.72/104,507.94 = 43,890.92/x
  3. Step 3: Cross multiply
    75,727.72x = 104,507.94 × 43,890.92
  4. Step 4: Simplify right side
    75,727.72x = 4,586,949,633.90
  5. Step 5: Solve for x
    x = 4,586,949,633.90/75,727.72
  6. Step 6: Final answer
    x = 60,571.61

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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.