Home / 80,540.35-111,149.88-44,729.44

Finding the Fourth Proportional to 80,540.35, 111,149.88 and 44,729.44

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Solution

The fourth proportional to 80,540.35, 111,149.88 and 44,729.44 is: 61,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,540.35 : 111,149.88 = 44,729.44 : x
  2. Step 2: Convert to fraction form
    80,540.35/111,149.88 = 44,729.44/x
  3. Step 3: Cross multiply
    80,540.35x = 111,149.88 × 44,729.44
  4. Step 4: Simplify right side
    80,540.35x = 4,971,671,888.47
  5. Step 5: Solve for x
    x = 4,971,671,888.47/80,540.35
  6. Step 6: Final answer
    x = 61,728.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.