Home / 90,546.72-124,948.22-50,257.31

Finding the Fourth Proportional to 90,546.72, 124,948.22 and 50,257.31

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Solution

The fourth proportional to 90,546.72, 124,948.22 and 50,257.31 is: 69,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,546.72 : 124,948.22 = 50,257.31 : x
  2. Step 2: Convert to fraction form
    90,546.72/124,948.22 = 50,257.31/x
  3. Step 3: Cross multiply
    90,546.72x = 124,948.22 × 50,257.31
  4. Step 4: Simplify right side
    90,546.72x = 6,279,561,676.04
  5. Step 5: Solve for x
    x = 6,279,561,676.04/90,546.72
  6. Step 6: Final answer
    x = 69,351.62

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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.