Home / 90,481.24-124,860.84-50,196.76

Finding the Fourth Proportional to 90,481.24, 124,860.84 and 50,196.76

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Solution

The fourth proportional to 90,481.24, 124,860.84 and 50,196.76 is: 69,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,481.24 : 124,860.84 = 50,196.76 : x
  2. Step 2: Convert to fraction form
    90,481.24/124,860.84 = 50,196.76/x
  3. Step 3: Cross multiply
    90,481.24x = 124,860.84 × 50,196.76
  4. Step 4: Simplify right side
    90,481.24x = 6,267,609,618.88
  5. Step 5: Solve for x
    x = 6,267,609,618.88/90,481.24
  6. Step 6: Final answer
    x = 69,269.71

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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.