Home / 54,259.72-81,412.96-29,294.80

Finding the Fourth Proportional to 54,259.72, 81,412.96 and 29,294.80

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Solution

The fourth proportional to 54,259.72, 81,412.96 and 29,294.80 is: 43,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.72 : 81,412.96 = 29,294.80 : x
  2. Step 2: Convert to fraction form
    54,259.72/81,412.96 = 29,294.80/x
  3. Step 3: Cross multiply
    54,259.72x = 81,412.96 × 29,294.80
  4. Step 4: Simplify right side
    54,259.72x = 2,384,976,380.61
  5. Step 5: Solve for x
    x = 2,384,976,380.61/54,259.72
  6. Step 6: Final answer
    x = 43,954.82

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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.