Home / 54,872.17-75,723.60-29,721.67

Finding the Fourth Proportional to 54,872.17, 75,723.60 and 29,721.67

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Solution

The fourth proportional to 54,872.17, 75,723.60 and 29,721.67 is: 41,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872.17 : 75,723.60 = 29,721.67 : x
  2. Step 2: Convert to fraction form
    54,872.17/75,723.60 = 29,721.67/x
  3. Step 3: Cross multiply
    54,872.17x = 75,723.60 × 29,721.67
  4. Step 4: Simplify right side
    54,872.17x = 2,250,631,850.41
  5. Step 5: Solve for x
    x = 2,250,631,850.41/54,872.17
  6. Step 6: Final answer
    x = 41,015.91

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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.