Home / 90,883.68-125,418.48-50,596.56

Finding the Fourth Proportional to 90,883.68, 125,418.48 and 50,596.56

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Solution

The fourth proportional to 90,883.68, 125,418.48 and 50,596.56 is: 69,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,883.68 : 125,418.48 = 50,596.56 : x
  2. Step 2: Convert to fraction form
    90,883.68/125,418.48 = 50,596.56/x
  3. Step 3: Cross multiply
    90,883.68x = 125,418.48 × 50,596.56
  4. Step 4: Simplify right side
    90,883.68x = 6,345,743,648.43
  5. Step 5: Solve for x
    x = 6,345,743,648.43/90,883.68
  6. Step 6: Final answer
    x = 69,822.70

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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.