Home / 54,972.09-75,861.32-29,821.59

Finding the Fourth Proportional to 54,972.09, 75,861.32 and 29,821.59

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Solution

The fourth proportional to 54,972.09, 75,861.32 and 29,821.59 is: 41,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.09 : 75,861.32 = 29,821.59 : x
  2. Step 2: Convert to fraction form
    54,972.09/75,861.32 = 29,821.59/x
  3. Step 3: Cross multiply
    54,972.09x = 75,861.32 × 29,821.59
  4. Step 4: Simplify right side
    54,972.09x = 2,262,305,032.79
  5. Step 5: Solve for x
    x = 2,262,305,032.79/54,972.09
  6. Step 6: Final answer
    x = 41,153.70

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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.