Home / 80,537.55-111,197.42-50,336.45

Finding the Fourth Proportional to 80,537.55, 111,197.42 and 50,336.45

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Solution

The fourth proportional to 80,537.55, 111,197.42 and 50,336.45 is: 69,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.55 : 111,197.42 = 50,336.45 : x
  2. Step 2: Convert to fraction form
    80,537.55/111,197.42 = 50,336.45/x
  3. Step 3: Cross multiply
    80,537.55x = 111,197.42 × 50,336.45
  4. Step 4: Simplify right side
    80,537.55x = 5,597,283,371.96
  5. Step 5: Solve for x
    x = 5,597,283,371.96/80,537.55
  6. Step 6: Final answer
    x = 69,499.05

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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.