Home / 54,387.28-81,603.96-29,734.48

Finding the Fourth Proportional to 54,387.28, 81,603.96 and 29,734.48

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Solution

The fourth proportional to 54,387.28, 81,603.96 and 29,734.48 is: 44,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.28 : 81,603.96 = 29,734.48 : x
  2. Step 2: Convert to fraction form
    54,387.28/81,603.96 = 29,734.48/x
  3. Step 3: Cross multiply
    54,387.28x = 81,603.96 × 29,734.48
  4. Step 4: Simplify right side
    54,387.28x = 2,426,451,316.54
  5. Step 5: Solve for x
    x = 2,426,451,316.54/54,387.28
  6. Step 6: Final answer
    x = 44,614.32

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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.