Home / 89,540.28-123,568.74-49,257.09

Finding the Fourth Proportional to 89,540.28, 123,568.74 and 49,257.09

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Solution

The fourth proportional to 89,540.28, 123,568.74 and 49,257.09 is: 67,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,540.28 : 123,568.74 = 49,257.09 : x
  2. Step 2: Convert to fraction form
    89,540.28/123,568.74 = 49,257.09/x
  3. Step 3: Cross multiply
    89,540.28x = 123,568.74 × 49,257.09
  4. Step 4: Simplify right side
    89,540.28x = 6,086,636,547.37
  5. Step 5: Solve for x
    x = 6,086,636,547.37/89,540.28
  6. Step 6: Final answer
    x = 67,976.52

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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.