Home / 54,593.21-75,379.70-53,721.31

Finding the Fourth Proportional to 54,593.21, 75,379.70 and 53,721.31

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Solution

The fourth proportional to 54,593.21, 75,379.70 and 53,721.31 is: 74,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,593.21 : 75,379.70 = 53,721.31 : x
  2. Step 2: Convert to fraction form
    54,593.21/75,379.70 = 53,721.31/x
  3. Step 3: Cross multiply
    54,593.21x = 75,379.70 × 53,721.31
  4. Step 4: Simplify right side
    54,593.21x = 4,049,496,231.41
  5. Step 5: Solve for x
    x = 4,049,496,231.41/54,593.21
  6. Step 6: Final answer
    x = 74,175.82

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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.