Home / 79,949.12-110,329.94-44,139.20

Finding the Fourth Proportional to 79,949.12, 110,329.94 and 44,139.20

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Solution

The fourth proportional to 79,949.12, 110,329.94 and 44,139.20 is: 60,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949.12 : 110,329.94 = 44,139.20 : x
  2. Step 2: Convert to fraction form
    79,949.12/110,329.94 = 44,139.20/x
  3. Step 3: Cross multiply
    79,949.12x = 110,329.94 × 44,139.20
  4. Step 4: Simplify right side
    79,949.12x = 4,869,874,846.35
  5. Step 5: Solve for x
    x = 4,869,874,846.35/79,949.12
  6. Step 6: Final answer
    x = 60,912.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.