Home / 54,229.84-81,203.29-43,642.03

Finding the Fourth Proportional to 54,229.84, 81,203.29 and 43,642.03

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Solution

The fourth proportional to 54,229.84, 81,203.29 and 43,642.03 is: 65,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229.84 : 81,203.29 = 43,642.03 : x
  2. Step 2: Convert to fraction form
    54,229.84/81,203.29 = 43,642.03/x
  3. Step 3: Cross multiply
    54,229.84x = 81,203.29 × 43,642.03
  4. Step 4: Simplify right side
    54,229.84x = 3,543,876,503.91
  5. Step 5: Solve for x
    x = 3,543,876,503.91/54,229.84
  6. Step 6: Final answer
    x = 65,349.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.