Home / 109,764.10-164,626.99-30,859.57

Finding the Fourth Proportional to 109,764.10, 164,626.99 and 30,859.57

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Solution

The fourth proportional to 109,764.10, 164,626.99 and 30,859.57 is: 46,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.10 : 164,626.99 = 30,859.57 : x
  2. Step 2: Convert to fraction form
    109,764.10/164,626.99 = 30,859.57/x
  3. Step 3: Cross multiply
    109,764.10x = 164,626.99 × 30,859.57
  4. Step 4: Simplify right side
    109,764.10x = 5,080,318,121.79
  5. Step 5: Solve for x
    x = 5,080,318,121.79/109,764.10
  6. Step 6: Final answer
    x = 46,283.97

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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.