Home / 79,786.28-110,082.18-51,508.04

Finding the Fourth Proportional to 79,786.28, 110,082.18 and 51,508.04

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Solution

The fourth proportional to 79,786.28, 110,082.18 and 51,508.04 is: 71,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,786.28 : 110,082.18 = 51,508.04 : x
  2. Step 2: Convert to fraction form
    79,786.28/110,082.18 = 51,508.04/x
  3. Step 3: Cross multiply
    79,786.28x = 110,082.18 × 51,508.04
  4. Step 4: Simplify right side
    79,786.28x = 5,670,117,330.73
  5. Step 5: Solve for x
    x = 5,670,117,330.73/79,786.28
  6. Step 6: Final answer
    x = 71,066.32

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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.