Home / 80,537.64-111,197.55-50,336.52

Finding the Fourth Proportional to 80,537.64, 111,197.55 and 50,336.52

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Solution

The fourth proportional to 80,537.64, 111,197.55 and 50,336.52 is: 69,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.64 : 111,197.55 = 50,336.52 : x
  2. Step 2: Convert to fraction form
    80,537.64/111,197.55 = 50,336.52/x
  3. Step 3: Cross multiply
    80,537.64x = 111,197.55 × 50,336.52
  4. Step 4: Simplify right side
    80,537.64x = 5,597,297,699.53
  5. Step 5: Solve for x
    x = 5,597,297,699.53/80,537.64
  6. Step 6: Final answer
    x = 69,499.15

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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.