Home / 86,508.42-119,382.03-50,698.68

Finding the Fourth Proportional to 86,508.42, 119,382.03 and 50,698.68

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Solution

The fourth proportional to 86,508.42, 119,382.03 and 50,698.68 is: 69,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508.42 : 119,382.03 = 50,698.68 : x
  2. Step 2: Convert to fraction form
    86,508.42/119,382.03 = 50,698.68/x
  3. Step 3: Cross multiply
    86,508.42x = 119,382.03 × 50,698.68
  4. Step 4: Simplify right side
    86,508.42x = 6,052,511,336.72
  5. Step 5: Solve for x
    x = 6,052,511,336.72/86,508.42
  6. Step 6: Final answer
    x = 69,964.42

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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.