Home / 54,190.92-81,317.70-29,231.04

Finding the Fourth Proportional to 54,190.92, 81,317.70 and 29,231.04

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Solution

The fourth proportional to 54,190.92, 81,317.70 and 29,231.04 is: 43,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.92 : 81,317.70 = 29,231.04 : x
  2. Step 2: Convert to fraction form
    54,190.92/81,317.70 = 29,231.04/x
  3. Step 3: Cross multiply
    54,190.92x = 81,317.70 × 29,231.04
  4. Step 4: Simplify right side
    54,190.92x = 2,377,000,941.41
  5. Step 5: Solve for x
    x = 2,377,000,941.41/54,190.92
  6. Step 6: Final answer
    x = 43,863.45

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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.