Home / 54,174.85-81,249.52-30,492.48

Finding the Fourth Proportional to 54,174.85, 81,249.52 and 30,492.48

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Solution

The fourth proportional to 54,174.85, 81,249.52 and 30,492.48 is: 45,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.85 : 81,249.52 = 30,492.48 : x
  2. Step 2: Convert to fraction form
    54,174.85/81,249.52 = 30,492.48/x
  3. Step 3: Cross multiply
    54,174.85x = 81,249.52 × 30,492.48
  4. Step 4: Simplify right side
    54,174.85x = 2,477,499,363.61
  5. Step 5: Solve for x
    x = 2,477,499,363.61/54,174.85
  6. Step 6: Final answer
    x = 45,731.54

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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.