Home / 80,853.88-111,581.19-45,046.09

Finding the Fourth Proportional to 80,853.88, 111,581.19 and 45,046.09

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Solution

The fourth proportional to 80,853.88, 111,581.19 and 45,046.09 is: 62,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853.88 : 111,581.19 = 45,046.09 : x
  2. Step 2: Convert to fraction form
    80,853.88/111,581.19 = 45,046.09/x
  3. Step 3: Cross multiply
    80,853.88x = 111,581.19 × 45,046.09
  4. Step 4: Simplify right side
    80,853.88x = 5,026,296,327.05
  5. Step 5: Solve for x
    x = 5,026,296,327.05/80,853.88
  6. Step 6: Final answer
    x = 62,165.18

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1.5x scale

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.