Home / 55,161.85-82,770.72-25,172.76

Finding the Fourth Proportional to 55,161.85, 82,770.72 and 25,172.76

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Solution

The fourth proportional to 55,161.85, 82,770.72 and 25,172.76 is: 37,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,161.85 : 82,770.72 = 25,172.76 : x
  2. Step 2: Convert to fraction form
    55,161.85/82,770.72 = 25,172.76/x
  3. Step 3: Cross multiply
    55,161.85x = 82,770.72 × 25,172.76
  4. Step 4: Simplify right side
    55,161.85x = 2,083,567,469.59
  5. Step 5: Solve for x
    x = 2,083,567,469.59/55,161.85
  6. Step 6: Final answer
    x = 37,771.89

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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.