Home / 80,536.08-111,195.39-50,334.98

Finding the Fourth Proportional to 80,536.08, 111,195.39 and 50,334.98

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Solution

The fourth proportional to 80,536.08, 111,195.39 and 50,334.98 is: 69,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536.08 : 111,195.39 = 50,334.98 : x
  2. Step 2: Convert to fraction form
    80,536.08/111,195.39 = 50,334.98/x
  3. Step 3: Cross multiply
    80,536.08x = 111,195.39 × 50,334.98
  4. Step 4: Simplify right side
    80,536.08x = 5,597,017,781.50
  5. Step 5: Solve for x
    x = 5,597,017,781.50/80,536.08
  6. Step 6: Final answer
    x = 69,497.02

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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.