Home / 45,847.13-68,771.16-18,145.13

Finding the Fourth Proportional to 45,847.13, 68,771.16 and 18,145.13

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Solution

The fourth proportional to 45,847.13, 68,771.16 and 18,145.13 is: 27,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,847.13 : 68,771.16 = 18,145.13 : x
  2. Step 2: Convert to fraction form
    45,847.13/68,771.16 = 18,145.13/x
  3. Step 3: Cross multiply
    45,847.13x = 68,771.16 × 18,145.13
  4. Step 4: Simplify right side
    45,847.13x = 1,247,861,294.60
  5. Step 5: Solve for x
    x = 1,247,861,294.60/45,847.13
  6. Step 6: Final answer
    x = 27,217.87

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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.