Home / 95,986.20-143,979.30-54,514.20

Finding the Fourth Proportional to 95,986.20, 143,979.30 and 54,514.20

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Solution

The fourth proportional to 95,986.20, 143,979.30 and 54,514.20 is: 81,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,986.20 : 143,979.30 = 54,514.20 : x
  2. Step 2: Convert to fraction form
    95,986.20/143,979.30 = 54,514.20/x
  3. Step 3: Cross multiply
    95,986.20x = 143,979.30 × 54,514.20
  4. Step 4: Simplify right side
    95,986.20x = 7,848,916,356.06
  5. Step 5: Solve for x
    x = 7,848,916,356.06/95,986.20
  6. Step 6: Final answer
    x = 81,771.30

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Similar ratio
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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.