Home / 109,640.43-164,459.30-34,760.43

Finding the Fourth Proportional to 109,640.43, 164,459.30 and 34,760.43

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Solution

The fourth proportional to 109,640.43, 164,459.30 and 34,760.43 is: 52,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,640.43 : 164,459.30 = 34,760.43 : x
  2. Step 2: Convert to fraction form
    109,640.43/164,459.30 = 34,760.43/x
  3. Step 3: Cross multiply
    109,640.43x = 164,459.30 × 34,760.43
  4. Step 4: Simplify right side
    109,640.43x = 5,716,675,811.70
  5. Step 5: Solve for x
    x = 5,716,675,811.70/109,640.43
  6. Step 6: Final answer
    x = 52,140.22

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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.