Home / 96,438.69-132,996.60-66,170.61

Finding the Fourth Proportional to 96,438.69, 132,996.60 and 66,170.61

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Solution

The fourth proportional to 96,438.69, 132,996.60 and 66,170.61 is: 91,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,438.69 : 132,996.60 = 66,170.61 : x
  2. Step 2: Convert to fraction form
    96,438.69/132,996.60 = 66,170.61/x
  3. Step 3: Cross multiply
    96,438.69x = 132,996.60 × 66,170.61
  4. Step 4: Simplify right side
    96,438.69x = 8,800,466,149.93
  5. Step 5: Solve for x
    x = 8,800,466,149.93/96,438.69
  6. Step 6: Final answer
    x = 91,254.52

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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.