Home / 80,483.20-120,707.54-27,170.34

Finding the Fourth Proportional to 80,483.20, 120,707.54 and 27,170.34

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Solution

The fourth proportional to 80,483.20, 120,707.54 and 27,170.34 is: 40,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,483.20 : 120,707.54 = 27,170.34 : x
  2. Step 2: Convert to fraction form
    80,483.20/120,707.54 = 27,170.34/x
  3. Step 3: Cross multiply
    80,483.20x = 120,707.54 × 27,170.34
  4. Step 4: Simplify right side
    80,483.20x = 3,279,664,902.36
  5. Step 5: Solve for x
    x = 3,279,664,902.36/80,483.20
  6. Step 6: Final answer
    x = 40,749.68

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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.