Home / 96,375.90-132,905.43-75,147.42

Finding the Fourth Proportional to 96,375.90, 132,905.43 and 75,147.42

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Solution

The fourth proportional to 96,375.90, 132,905.43 and 75,147.42 is: 103,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,375.90 : 132,905.43 = 75,147.42 : x
  2. Step 2: Convert to fraction form
    96,375.90/132,905.43 = 75,147.42/x
  3. Step 3: Cross multiply
    96,375.90x = 132,905.43 × 75,147.42
  4. Step 4: Simplify right side
    96,375.90x = 9,987,500,168.49
  5. Step 5: Solve for x
    x = 9,987,500,168.49/96,375.90
  6. Step 6: Final answer
    x = 103,630.68

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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.