Home / 74,339.85-111,351.81-50,338.74

Finding the Fourth Proportional to 74,339.85, 111,351.81 and 50,338.74

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Solution

The fourth proportional to 74,339.85, 111,351.81 and 50,338.74 is: 75,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,339.85 : 111,351.81 = 50,338.74 : x
  2. Step 2: Convert to fraction form
    74,339.85/111,351.81 = 50,338.74/x
  3. Step 3: Cross multiply
    74,339.85x = 111,351.81 × 50,338.74
  4. Step 4: Simplify right side
    74,339.85x = 5,605,309,812.12
  5. Step 5: Solve for x
    x = 5,605,309,812.12/74,339.85
  6. Step 6: Final answer
    x = 75,401.15

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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.