Home / 49,136.90-73,705.35-12,200.90

Finding the Fourth Proportional to 49,136.90, 73,705.35 and 12,200.90

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Solution

The fourth proportional to 49,136.90, 73,705.35 and 12,200.90 is: 18,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.90 : 73,705.35 = 12,200.90 : x
  2. Step 2: Convert to fraction form
    49,136.90/73,705.35 = 12,200.90/x
  3. Step 3: Cross multiply
    49,136.90x = 73,705.35 × 12,200.90
  4. Step 4: Simplify right side
    49,136.90x = 899,271,604.82
  5. Step 5: Solve for x
    x = 899,271,604.82/49,136.90
  6. Step 6: Final answer
    x = 18,301.35

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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.