Home / 90,843.96-125,257.41-62,177.43

Finding the Fourth Proportional to 90,843.96, 125,257.41 and 62,177.43

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Solution

The fourth proportional to 90,843.96, 125,257.41 and 62,177.43 is: 85,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,843.96 : 125,257.41 = 62,177.43 : x
  2. Step 2: Convert to fraction form
    90,843.96/125,257.41 = 62,177.43/x
  3. Step 3: Cross multiply
    90,843.96x = 125,257.41 × 62,177.43
  4. Step 4: Simplify right side
    90,843.96x = 7,788,183,842.26
  5. Step 5: Solve for x
    x = 7,788,183,842.26/90,843.96
  6. Step 6: Final answer
    x = 85,731.44

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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.