Home / 51,396.76-77,105.94-18,117.64

Finding the Fourth Proportional to 51,396.76, 77,105.94 and 18,117.64

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Solution

The fourth proportional to 51,396.76, 77,105.94 and 18,117.64 is: 27,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.76 : 77,105.94 = 18,117.64 : x
  2. Step 2: Convert to fraction form
    51,396.76/77,105.94 = 18,117.64/x
  3. Step 3: Cross multiply
    51,396.76x = 77,105.94 × 18,117.64
  4. Step 4: Simplify right side
    51,396.76x = 1,396,977,662.78
  5. Step 5: Solve for x
    x = 1,396,977,662.78/51,396.76
  6. Step 6: Final answer
    x = 27,180.27

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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.