Home / 89,797.86-123,919.56-49,515.36

Finding the Fourth Proportional to 89,797.86, 123,919.56 and 49,515.36

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Solution

The fourth proportional to 89,797.86, 123,919.56 and 49,515.36 is: 68,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,797.86 : 123,919.56 = 49,515.36 : x
  2. Step 2: Convert to fraction form
    89,797.86/123,919.56 = 49,515.36/x
  3. Step 3: Cross multiply
    89,797.86x = 123,919.56 × 49,515.36
  4. Step 4: Simplify right side
    89,797.86x = 6,135,921,624.44
  5. Step 5: Solve for x
    x = 6,135,921,624.44/89,797.86
  6. Step 6: Final answer
    x = 68,330.38

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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.