Home / 99,728.01-149,542.20-33,144.80

Finding the Fourth Proportional to 99,728.01, 149,542.20 and 33,144.80

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Solution

The fourth proportional to 99,728.01, 149,542.20 and 33,144.80 is: 49,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,728.01 : 149,542.20 = 33,144.80 : x
  2. Step 2: Convert to fraction form
    99,728.01/149,542.20 = 33,144.80/x
  3. Step 3: Cross multiply
    99,728.01x = 149,542.20 × 33,144.80
  4. Step 4: Simplify right side
    99,728.01x = 4,956,545,562.85
  5. Step 5: Solve for x
    x = 4,956,545,562.85/99,728.01
  6. Step 6: Final answer
    x = 49,700.64

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1.5x scale

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.