Home / 54,755.43-75,562.29-30,881.96

Finding the Fourth Proportional to 54,755.43, 75,562.29 and 30,881.96

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Solution

The fourth proportional to 54,755.43, 75,562.29 and 30,881.96 is: 42,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.43 : 75,562.29 = 30,881.96 : x
  2. Step 2: Convert to fraction form
    54,755.43/75,562.29 = 30,881.96/x
  3. Step 3: Cross multiply
    54,755.43x = 75,562.29 × 30,881.96
  4. Step 4: Simplify right side
    54,755.43x = 2,333,511,239.48
  5. Step 5: Solve for x
    x = 2,333,511,239.48/54,755.43
  6. Step 6: Final answer
    x = 42,616.98

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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.