Home / 80,559.63-120,770.19-27,962.28

Finding the Fourth Proportional to 80,559.63, 120,770.19 and 27,962.28

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Solution

The fourth proportional to 80,559.63, 120,770.19 and 27,962.28 is: 41,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559.63 : 120,770.19 = 27,962.28 : x
  2. Step 2: Convert to fraction form
    80,559.63/120,770.19 = 27,962.28/x
  3. Step 3: Cross multiply
    80,559.63x = 120,770.19 × 27,962.28
  4. Step 4: Simplify right side
    80,559.63x = 3,377,009,868.43
  5. Step 5: Solve for x
    x = 3,377,009,868.43/80,559.63
  6. Step 6: Final answer
    x = 41,919.38

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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.