Home / 98,743.36-148,132.32-36,414.40

Finding the Fourth Proportional to 98,743.36, 148,132.32 and 36,414.40

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Solution

The fourth proportional to 98,743.36, 148,132.32 and 36,414.40 is: 54,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.36 : 148,132.32 = 36,414.40 : x
  2. Step 2: Convert to fraction form
    98,743.36/148,132.32 = 36,414.40/x
  3. Step 3: Cross multiply
    98,743.36x = 148,132.32 × 36,414.40
  4. Step 4: Simplify right side
    98,743.36x = 5,394,149,553.41
  5. Step 5: Solve for x
    x = 5,394,149,553.41/98,743.36
  6. Step 6: Final answer
    x = 54,627.97

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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.