Home / 79,747.25-110,067.14-45,778.70

Finding the Fourth Proportional to 79,747.25, 110,067.14 and 45,778.70

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Solution

The fourth proportional to 79,747.25, 110,067.14 and 45,778.70 is: 63,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.25 : 110,067.14 = 45,778.70 : x
  2. Step 2: Convert to fraction form
    79,747.25/110,067.14 = 45,778.70/x
  3. Step 3: Cross multiply
    79,747.25x = 110,067.14 × 45,778.70
  4. Step 4: Simplify right side
    79,747.25x = 5,038,729,802.69
  5. Step 5: Solve for x
    x = 5,038,729,802.69/79,747.25
  6. Step 6: Final answer
    x = 63,183.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.