Home / 80,514.10-120,771.41-27,923.59

Finding the Fourth Proportional to 80,514.10, 120,771.41 and 27,923.59

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Solution

The fourth proportional to 80,514.10, 120,771.41 and 27,923.59 is: 41,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,514.10 : 120,771.41 = 27,923.59 : x
  2. Step 2: Convert to fraction form
    80,514.10/120,771.41 = 27,923.59/x
  3. Step 3: Cross multiply
    80,514.10x = 120,771.41 × 27,923.59
  4. Step 4: Simplify right side
    80,514.10x = 3,372,370,668.57
  5. Step 5: Solve for x
    x = 3,372,370,668.57/80,514.10
  6. Step 6: Final answer
    x = 41,885.47

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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.