Home / 54,166.20-81,249.30-39,305.40

Finding the Fourth Proportional to 54,166.20, 81,249.30 and 39,305.40

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Solution

The fourth proportional to 54,166.20, 81,249.30 and 39,305.40 is: 58,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.20 : 81,249.30 = 39,305.40 : x
  2. Step 2: Convert to fraction form
    54,166.20/81,249.30 = 39,305.40/x
  3. Step 3: Cross multiply
    54,166.20x = 81,249.30 × 39,305.40
  4. Step 4: Simplify right side
    54,166.20x = 3,193,536,236.22
  5. Step 5: Solve for x
    x = 3,193,536,236.22/54,166.20
  6. Step 6: Final answer
    x = 58,958.10

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1.5x scale

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.