Home / 99,138.92-148,691.16-32,579.48

Finding the Fourth Proportional to 99,138.92, 148,691.16 and 32,579.48

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Solution

The fourth proportional to 99,138.92, 148,691.16 and 32,579.48 is: 48,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,138.92 : 148,691.16 = 32,579.48 : x
  2. Step 2: Convert to fraction form
    99,138.92/148,691.16 = 32,579.48/x
  3. Step 3: Cross multiply
    99,138.92x = 148,691.16 × 32,579.48
  4. Step 4: Simplify right side
    99,138.92x = 4,844,280,673.40
  5. Step 5: Solve for x
    x = 4,844,280,673.40/99,138.92
  6. Step 6: Final answer
    x = 48,863.56

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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.