Home / 96,772.16-145,121.22-31,841.44

Finding the Fourth Proportional to 96,772.16, 145,121.22 and 31,841.44

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Solution

The fourth proportional to 96,772.16, 145,121.22 and 31,841.44 is: 47,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772.16 : 145,121.22 = 31,841.44 : x
  2. Step 2: Convert to fraction form
    96,772.16/145,121.22 = 31,841.44/x
  3. Step 3: Cross multiply
    96,772.16x = 145,121.22 × 31,841.44
  4. Step 4: Simplify right side
    96,772.16x = 4,620,867,734.54
  5. Step 5: Solve for x
    x = 4,620,867,734.54/96,772.16
  6. Step 6: Final answer
    x = 47,749.97

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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.