Home / 99,727.20-149,551.20-33,148.80

Finding the Fourth Proportional to 99,727.20, 149,551.20 and 33,148.80

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Solution

The fourth proportional to 99,727.20, 149,551.20 and 33,148.80 is: 49,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,727.20 : 149,551.20 = 33,148.80 : x
  2. Step 2: Convert to fraction form
    99,727.20/149,551.20 = 33,148.80/x
  3. Step 3: Cross multiply
    99,727.20x = 149,551.20 × 33,148.80
  4. Step 4: Simplify right side
    99,727.20x = 4,957,442,818.56
  5. Step 5: Solve for x
    x = 4,957,442,818.56/99,727.20
  6. Step 6: Final answer
    x = 49,710.04

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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.