Home / 109,838.45-164,757.68-39,701.36

Finding the Fourth Proportional to 109,838.45, 164,757.68 and 39,701.36

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Solution

The fourth proportional to 109,838.45, 164,757.68 and 39,701.36 is: 59,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,838.45 : 164,757.68 = 39,701.36 : x
  2. Step 2: Convert to fraction form
    109,838.45/164,757.68 = 39,701.36/x
  3. Step 3: Cross multiply
    109,838.45x = 164,757.68 × 39,701.36
  4. Step 4: Simplify right side
    109,838.45x = 6,541,103,401.95
  5. Step 5: Solve for x
    x = 6,541,103,401.95/109,838.45
  6. Step 6: Final answer
    x = 59,552.04

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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.