Home / 92,942.20-128,261.03-50,500.73

Finding the Fourth Proportional to 92,942.20, 128,261.03 and 50,500.73

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Solution

The fourth proportional to 92,942.20, 128,261.03 and 50,500.73 is: 69,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,942.20 : 128,261.03 = 50,500.73 : x
  2. Step 2: Convert to fraction form
    92,942.20/128,261.03 = 50,500.73/x
  3. Step 3: Cross multiply
    92,942.20x = 128,261.03 × 50,500.73
  4. Step 4: Simplify right side
    92,942.20x = 6,477,275,713.70
  5. Step 5: Solve for x
    x = 6,477,275,713.70/92,942.20
  6. Step 6: Final answer
    x = 69,691.44

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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.