Home / 99,160.92-148,593.68-54,800.38

Finding the Fourth Proportional to 99,160.92, 148,593.68 and 54,800.38

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Solution

The fourth proportional to 99,160.92, 148,593.68 and 54,800.38 is: 82,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,160.92 : 148,593.68 = 54,800.38 : x
  2. Step 2: Convert to fraction form
    99,160.92/148,593.68 = 54,800.38/x
  3. Step 3: Cross multiply
    99,160.92x = 148,593.68 × 54,800.38
  4. Step 4: Simplify right side
    99,160.92x = 8,142,990,129.60
  5. Step 5: Solve for x
    x = 8,142,990,129.60/99,160.92
  6. Step 6: Final answer
    x = 82,118.94

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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.