Home / 54,233.23-81,208.38-43,645.42

Finding the Fourth Proportional to 54,233.23, 81,208.38 and 43,645.42

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Solution

The fourth proportional to 54,233.23, 81,208.38 and 43,645.42 is: 65,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,233.23 : 81,208.38 = 43,645.42 : x
  2. Step 2: Convert to fraction form
    54,233.23/81,208.38 = 43,645.42/x
  3. Step 3: Cross multiply
    54,233.23x = 81,208.38 × 43,645.42
  4. Step 4: Simplify right side
    54,233.23x = 3,544,373,852.62
  5. Step 5: Solve for x
    x = 3,544,373,852.62/54,233.23
  6. Step 6: Final answer
    x = 65,354.28

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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.