Home / 54,861.75-75,709.22-29,711.25

Finding the Fourth Proportional to 54,861.75, 75,709.22 and 29,711.25

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Solution

The fourth proportional to 54,861.75, 75,709.22 and 29,711.25 is: 41,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.75 : 75,709.22 = 29,711.25 : x
  2. Step 2: Convert to fraction form
    54,861.75/75,709.22 = 29,711.25/x
  3. Step 3: Cross multiply
    54,861.75x = 75,709.22 × 29,711.25
  4. Step 4: Simplify right side
    54,861.75x = 2,249,415,414.17
  5. Step 5: Solve for x
    x = 2,249,415,414.17/54,861.75
  6. Step 6: Final answer
    x = 41,001.53

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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.