Home / 80,265.06-120,446.78-35,929.31

Finding the Fourth Proportional to 80,265.06, 120,446.78 and 35,929.31

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Solution

The fourth proportional to 80,265.06, 120,446.78 and 35,929.31 is: 53,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,265.06 : 120,446.78 = 35,929.31 : x
  2. Step 2: Convert to fraction form
    80,265.06/120,446.78 = 35,929.31/x
  3. Step 3: Cross multiply
    80,265.06x = 120,446.78 × 35,929.31
  4. Step 4: Simplify right side
    80,265.06x = 4,327,568,915.24
  5. Step 5: Solve for x
    x = 4,327,568,915.24/80,265.06
  6. Step 6: Final answer
    x = 53,915.97

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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.