Home / 99,529.20-149,293.80-32,979.60

Finding the Fourth Proportional to 99,529.20, 149,293.80 and 32,979.60

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Solution

The fourth proportional to 99,529.20, 149,293.80 and 32,979.60 is: 49,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,529.20 : 149,293.80 = 32,979.60 : x
  2. Step 2: Convert to fraction form
    99,529.20/149,293.80 = 32,979.60/x
  3. Step 3: Cross multiply
    99,529.20x = 149,293.80 × 32,979.60
  4. Step 4: Simplify right side
    99,529.20x = 4,923,649,806.48
  5. Step 5: Solve for x
    x = 4,923,649,806.48/99,529.20
  6. Step 6: Final answer
    x = 49,469.40

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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.