Home / 74,226.20-111,339.30-44,628.80

Finding the Fourth Proportional to 74,226.20, 111,339.30 and 44,628.80

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Solution

The fourth proportional to 74,226.20, 111,339.30 and 44,628.80 is: 66,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,226.20 : 111,339.30 = 44,628.80 : x
  2. Step 2: Convert to fraction form
    74,226.20/111,339.30 = 44,628.80/x
  3. Step 3: Cross multiply
    74,226.20x = 111,339.30 × 44,628.80
  4. Step 4: Simplify right side
    74,226.20x = 4,968,939,351.84
  5. Step 5: Solve for x
    x = 4,968,939,351.84/74,226.20
  6. Step 6: Final answer
    x = 66,943.20

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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.