Home / 98,122.20-147,183.30-50,737.20

Finding the Fourth Proportional to 98,122.20, 147,183.30 and 50,737.20

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Solution

The fourth proportional to 98,122.20, 147,183.30 and 50,737.20 is: 76,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,122.20 : 147,183.30 = 50,737.20 : x
  2. Step 2: Convert to fraction form
    98,122.20/147,183.30 = 50,737.20/x
  3. Step 3: Cross multiply
    98,122.20x = 147,183.30 × 50,737.20
  4. Step 4: Simplify right side
    98,122.20x = 7,467,668,528.76
  5. Step 5: Solve for x
    x = 7,467,668,528.76/98,122.20
  6. Step 6: Final answer
    x = 76,105.80

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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.