Home / 87,226.41-120,388.16-51,414.33

Finding the Fourth Proportional to 87,226.41, 120,388.16 and 51,414.33

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Solution

The fourth proportional to 87,226.41, 120,388.16 and 51,414.33 is: 70,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,226.41 : 120,388.16 = 51,414.33 : x
  2. Step 2: Convert to fraction form
    87,226.41/120,388.16 = 51,414.33/x
  3. Step 3: Cross multiply
    87,226.41x = 120,388.16 × 51,414.33
  4. Step 4: Simplify right side
    87,226.41x = 6,189,676,329.26
  5. Step 5: Solve for x
    x = 6,189,676,329.26/87,226.41
  6. Step 6: Final answer
    x = 70,961.03

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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.