Home / 95,449.20-143,137.32-31,392.44

Finding the Fourth Proportional to 95,449.20, 143,137.32 and 31,392.44

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Solution

The fourth proportional to 95,449.20, 143,137.32 and 31,392.44 is: 47,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,449.20 : 143,137.32 = 31,392.44 : x
  2. Step 2: Convert to fraction form
    95,449.20/143,137.32 = 31,392.44/x
  3. Step 3: Cross multiply
    95,449.20x = 143,137.32 × 31,392.44
  4. Step 4: Simplify right side
    95,449.20x = 4,493,429,729.86
  5. Step 5: Solve for x
    x = 4,493,429,729.86/95,449.20
  6. Step 6: Final answer
    x = 47,076.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.