Home / 80,540.76-111,143.20-44,733.08

Finding the Fourth Proportional to 80,540.76, 111,143.20 and 44,733.08

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Solution

The fourth proportional to 80,540.76, 111,143.20 and 44,733.08 is: 61,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,540.76 : 111,143.20 = 44,733.08 : x
  2. Step 2: Convert to fraction form
    80,540.76/111,143.20 = 44,733.08/x
  3. Step 3: Cross multiply
    80,540.76x = 111,143.20 × 44,733.08
  4. Step 4: Simplify right side
    80,540.76x = 4,971,777,657.06
  5. Step 5: Solve for x
    x = 4,971,777,657.06/80,540.76
  6. Step 6: Final answer
    x = 61,729.96

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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.