Home / 109,401.40-164,012.10-49,433.80

Finding the Fourth Proportional to 109,401.40, 164,012.10 and 49,433.80

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Solution

The fourth proportional to 109,401.40, 164,012.10 and 49,433.80 is: 74,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,401.40 : 164,012.10 = 49,433.80 : x
  2. Step 2: Convert to fraction form
    109,401.40/164,012.10 = 49,433.80/x
  3. Step 3: Cross multiply
    109,401.40x = 164,012.10 × 49,433.80
  4. Step 4: Simplify right side
    109,401.40x = 8,107,741,348.98
  5. Step 5: Solve for x
    x = 8,107,741,348.98/109,401.40
  6. Step 6: Final answer
    x = 74,110.03

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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.