Home / 80,016.42-120,042.50-30,096.94

Finding the Fourth Proportional to 80,016.42, 120,042.50 and 30,096.94

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Solution

The fourth proportional to 80,016.42, 120,042.50 and 30,096.94 is: 45,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,016.42 : 120,042.50 = 30,096.94 : x
  2. Step 2: Convert to fraction form
    80,016.42/120,042.50 = 30,096.94/x
  3. Step 3: Cross multiply
    80,016.42x = 120,042.50 × 30,096.94
  4. Step 4: Simplify right side
    80,016.42x = 3,612,911,919.95
  5. Step 5: Solve for x
    x = 3,612,911,919.95/80,016.42
  6. Step 6: Final answer
    x = 45,152.13

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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.