Home / 40,771.69-61,150.48-10,786.30

Finding the Fourth Proportional to 40,771.69, 61,150.48 and 10,786.30

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Solution

The fourth proportional to 40,771.69, 61,150.48 and 10,786.30 is: 16,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,771.69 : 61,150.48 = 10,786.30 : x
  2. Step 2: Convert to fraction form
    40,771.69/61,150.48 = 10,786.30/x
  3. Step 3: Cross multiply
    40,771.69x = 61,150.48 × 10,786.30
  4. Step 4: Simplify right side
    40,771.69x = 659,587,242.58
  5. Step 5: Solve for x
    x = 659,587,242.58/40,771.69
  6. Step 6: Final answer
    x = 16,177.58

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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.