Home / 75,480.35-104,165.33-41,490.05

Finding the Fourth Proportional to 75,480.35, 104,165.33 and 41,490.05

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Solution

The fourth proportional to 75,480.35, 104,165.33 and 41,490.05 is: 57,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,480.35 : 104,165.33 = 41,490.05 : x
  2. Step 2: Convert to fraction form
    75,480.35/104,165.33 = 41,490.05/x
  3. Step 3: Cross multiply
    75,480.35x = 104,165.33 × 41,490.05
  4. Step 4: Simplify right side
    75,480.35x = 4,321,824,021.69
  5. Step 5: Solve for x
    x = 4,321,824,021.69/75,480.35
  6. Step 6: Final answer
    x = 57,257.61

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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.