Home / 67,082.24-100,622.32-17,161.91

Finding the Fourth Proportional to 67,082.24, 100,622.32 and 17,161.91

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Solution

The fourth proportional to 67,082.24, 100,622.32 and 17,161.91 is: 25,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,082.24 : 100,622.32 = 17,161.91 : x
  2. Step 2: Convert to fraction form
    67,082.24/100,622.32 = 17,161.91/x
  3. Step 3: Cross multiply
    67,082.24x = 100,622.32 × 17,161.91
  4. Step 4: Simplify right side
    67,082.24x = 1,726,871,031.15
  5. Step 5: Solve for x
    x = 1,726,871,031.15/67,082.24
  6. Step 6: Final answer
    x = 25,742.60

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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.