Home / 109,082.75-163,626.90-30,197.66

Finding the Fourth Proportional to 109,082.75, 163,626.90 and 30,197.66

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Solution

The fourth proportional to 109,082.75, 163,626.90 and 30,197.66 is: 45,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,082.75 : 163,626.90 = 30,197.66 : x
  2. Step 2: Convert to fraction form
    109,082.75/163,626.90 = 30,197.66/x
  3. Step 3: Cross multiply
    109,082.75x = 163,626.90 × 30,197.66
  4. Step 4: Simplify right side
    109,082.75x = 4,941,148,674.92
  5. Step 5: Solve for x
    x = 4,941,148,674.92/109,082.75
  6. Step 6: Final answer
    x = 45,297.25

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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.