Home / 80,814.26-111,519.78-46,821.08

Finding the Fourth Proportional to 80,814.26, 111,519.78 and 46,821.08

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Solution

The fourth proportional to 80,814.26, 111,519.78 and 46,821.08 is: 64,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,814.26 : 111,519.78 = 46,821.08 : x
  2. Step 2: Convert to fraction form
    80,814.26/111,519.78 = 46,821.08/x
  3. Step 3: Cross multiply
    80,814.26x = 111,519.78 × 46,821.08
  4. Step 4: Simplify right side
    80,814.26x = 5,221,476,540.96
  5. Step 5: Solve for x
    x = 5,221,476,540.96/80,814.26
  6. Step 6: Final answer
    x = 64,610.83

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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.