Home / 54,972.42-75,861.90-29,821.92

Finding the Fourth Proportional to 54,972.42, 75,861.90 and 29,821.92

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Solution

The fourth proportional to 54,972.42, 75,861.90 and 29,821.92 is: 41,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.42 : 75,861.90 = 29,821.92 : x
  2. Step 2: Convert to fraction form
    54,972.42/75,861.90 = 29,821.92/x
  3. Step 3: Cross multiply
    54,972.42x = 75,861.90 × 29,821.92
  4. Step 4: Simplify right side
    54,972.42x = 2,262,347,512.85
  5. Step 5: Solve for x
    x = 2,262,347,512.85/54,972.42
  6. Step 6: Final answer
    x = 41,154.23

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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.