Home / 71,332.20-107,228.70-50,698.60

Finding the Fourth Proportional to 71,332.20, 107,228.70 and 50,698.60

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Solution

The fourth proportional to 71,332.20, 107,228.70 and 50,698.60 is: 76,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,332.20 : 107,228.70 = 50,698.60 : x
  2. Step 2: Convert to fraction form
    71,332.20/107,228.70 = 50,698.60/x
  3. Step 3: Cross multiply
    71,332.20x = 107,228.70 × 50,698.60
  4. Step 4: Simplify right side
    71,332.20x = 5,436,344,969.82
  5. Step 5: Solve for x
    x = 5,436,344,969.82/71,332.20
  6. Step 6: Final answer
    x = 76,211.65

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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.