Home / 75,074.20-112,611.16-35,609.76

Finding the Fourth Proportional to 75,074.20, 112,611.16 and 35,609.76

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Solution

The fourth proportional to 75,074.20, 112,611.16 and 35,609.76 is: 53,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,074.20 : 112,611.16 = 35,609.76 : x
  2. Step 2: Convert to fraction form
    75,074.20/112,611.16 = 35,609.76/x
  3. Step 3: Cross multiply
    75,074.20x = 112,611.16 × 35,609.76
  4. Step 4: Simplify right side
    75,074.20x = 4,010,056,380.92
  5. Step 5: Solve for x
    x = 4,010,056,380.92/75,074.20
  6. Step 6: Final answer
    x = 53,414.57

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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.