Home / 109,761.22-164,625-34,871.68

Finding the Fourth Proportional to 109,761.22, 164,625 and 34,871.68

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Solution

The fourth proportional to 109,761.22, 164,625 and 34,871.68 is: 52,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,761.22 : 164,625 = 34,871.68 : x
  2. Step 2: Convert to fraction form
    109,761.22/164,625 = 34,871.68/x
  3. Step 3: Cross multiply
    109,761.22x = 164,625 × 34,871.68
  4. Step 4: Simplify right side
    109,761.22x = 5,740,750,320
  5. Step 5: Solve for x
    x = 5,740,750,320/109,761.22
  6. Step 6: Final answer
    x = 52,302.17

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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.