Home / 89,479.25-123,478.22-49,192.73

Finding the Fourth Proportional to 89,479.25, 123,478.22 and 49,192.73

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Solution

The fourth proportional to 89,479.25, 123,478.22 and 49,192.73 is: 67,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,479.25 : 123,478.22 = 49,192.73 : x
  2. Step 2: Convert to fraction form
    89,479.25/123,478.22 = 49,192.73/x
  3. Step 3: Cross multiply
    89,479.25x = 123,478.22 × 49,192.73
  4. Step 4: Simplify right side
    89,479.25x = 6,074,229,873.99
  5. Step 5: Solve for x
    x = 6,074,229,873.99/89,479.25
  6. Step 6: Final answer
    x = 67,884.23

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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.