Home / 96,930.72-133,763.76-54,489.60

Finding the Fourth Proportional to 96,930.72, 133,763.76 and 54,489.60

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Solution

The fourth proportional to 96,930.72, 133,763.76 and 54,489.60 is: 75,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,930.72 : 133,763.76 = 54,489.60 : x
  2. Step 2: Convert to fraction form
    96,930.72/133,763.76 = 54,489.60/x
  3. Step 3: Cross multiply
    96,930.72x = 133,763.76 × 54,489.60
  4. Step 4: Simplify right side
    96,930.72x = 7,288,733,776.90
  5. Step 5: Solve for x
    x = 7,288,733,776.90/96,930.72
  6. Step 6: Final answer
    x = 75,195.29

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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.