Home / 44,778.70-67,186.23-28,786.12

Finding the Fourth Proportional to 44,778.70, 67,186.23 and 28,786.12

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Solution

The fourth proportional to 44,778.70, 67,186.23 and 28,786.12 is: 43,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,778.70 : 67,186.23 = 28,786.12 : x
  2. Step 2: Convert to fraction form
    44,778.70/67,186.23 = 28,786.12/x
  3. Step 3: Cross multiply
    44,778.70x = 67,186.23 × 28,786.12
  4. Step 4: Simplify right side
    44,778.70x = 1,934,030,879.13
  5. Step 5: Solve for x
    x = 1,934,030,879.13/44,778.70
  6. Step 6: Final answer
    x = 43,190.87

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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.