Home / 109,511.85-164,288.06-34,650.84

Finding the Fourth Proportional to 109,511.85, 164,288.06 and 34,650.84

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Solution

The fourth proportional to 109,511.85, 164,288.06 and 34,650.84 is: 51,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,511.85 : 164,288.06 = 34,650.84 : x
  2. Step 2: Convert to fraction form
    109,511.85/164,288.06 = 34,650.84/x
  3. Step 3: Cross multiply
    109,511.85x = 164,288.06 × 34,650.84
  4. Step 4: Simplify right side
    109,511.85x = 5,692,719,107.72
  5. Step 5: Solve for x
    x = 5,692,719,107.72/109,511.85
  6. Step 6: Final answer
    x = 51,982.68

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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.