Home / 49,136.10-73,704.15-12,200.10

Finding the Fourth Proportional to 49,136.10, 73,704.15 and 12,200.10

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Solution

The fourth proportional to 49,136.10, 73,704.15 and 12,200.10 is: 18,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.10 : 73,704.15 = 12,200.10 : x
  2. Step 2: Convert to fraction form
    49,136.10/73,704.15 = 12,200.10/x
  3. Step 3: Cross multiply
    49,136.10x = 73,704.15 × 12,200.10
  4. Step 4: Simplify right side
    49,136.10x = 899,198,000.42
  5. Step 5: Solve for x
    x = 899,198,000.42/49,136.10
  6. Step 6: Final answer
    x = 18,300.15

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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.