Home / 95,138.88-131,305.44-57,418.56

Finding the Fourth Proportional to 95,138.88, 131,305.44 and 57,418.56

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Solution

The fourth proportional to 95,138.88, 131,305.44 and 57,418.56 is: 79,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,138.88 : 131,305.44 = 57,418.56 : x
  2. Step 2: Convert to fraction form
    95,138.88/131,305.44 = 57,418.56/x
  3. Step 3: Cross multiply
    95,138.88x = 131,305.44 × 57,418.56
  4. Step 4: Simplify right side
    95,138.88x = 7,539,369,284.97
  5. Step 5: Solve for x
    x = 7,539,369,284.97/95,138.88
  6. Step 6: Final answer
    x = 79,245.93

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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.