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Finding the Fourth Proportional to 80,573.76, 120,901.52 and 36,191.44

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Solution

The fourth proportional to 80,573.76, 120,901.52 and 36,191.44 is: 54,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,573.76 : 120,901.52 = 36,191.44 : x
  2. Step 2: Convert to fraction form
    80,573.76/120,901.52 = 36,191.44/x
  3. Step 3: Cross multiply
    80,573.76x = 120,901.52 × 36,191.44
  4. Step 4: Simplify right side
    80,573.76x = 4,375,600,106.99
  5. Step 5: Solve for x
    x = 4,375,600,106.99/80,573.76
  6. Step 6: Final answer
    x = 54,305.52

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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.