Home / 86,458.07-119,311.89-48,217.67

Finding the Fourth Proportional to 86,458.07, 119,311.89 and 48,217.67

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Solution

The fourth proportional to 86,458.07, 119,311.89 and 48,217.67 is: 66,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,458.07 : 119,311.89 = 48,217.67 : x
  2. Step 2: Convert to fraction form
    86,458.07/119,311.89 = 48,217.67/x
  3. Step 3: Cross multiply
    86,458.07x = 119,311.89 × 48,217.67
  4. Step 4: Simplify right side
    86,458.07x = 5,752,940,742.54
  5. Step 5: Solve for x
    x = 5,752,940,742.54/86,458.07
  6. Step 6: Final answer
    x = 66,540.24

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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.