Home / 80,109.38-120,170.28-23,945.60

Finding the Fourth Proportional to 80,109.38, 120,170.28 and 23,945.60

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Solution

The fourth proportional to 80,109.38, 120,170.28 and 23,945.60 is: 35,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,109.38 : 120,170.28 = 23,945.60 : x
  2. Step 2: Convert to fraction form
    80,109.38/120,170.28 = 23,945.60/x
  3. Step 3: Cross multiply
    80,109.38x = 120,170.28 × 23,945.60
  4. Step 4: Simplify right side
    80,109.38x = 2,877,549,456.77
  5. Step 5: Solve for x
    x = 2,877,549,456.77/80,109.38
  6. Step 6: Final answer
    x = 35,920.26

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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.