Home / 84,398.41-126,578.78-25,226.39

Finding the Fourth Proportional to 84,398.41, 126,578.78 and 25,226.39

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Solution

The fourth proportional to 84,398.41, 126,578.78 and 25,226.39 is: 37,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,398.41 : 126,578.78 = 25,226.39 : x
  2. Step 2: Convert to fraction form
    84,398.41/126,578.78 = 25,226.39/x
  3. Step 3: Cross multiply
    84,398.41x = 126,578.78 × 25,226.39
  4. Step 4: Simplify right side
    84,398.41x = 3,193,125,480.25
  5. Step 5: Solve for x
    x = 3,193,125,480.25/84,398.41
  6. Step 6: Final answer
    x = 37,833.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.