Home / 86,504.33-119,375.76-48,778.31

Finding the Fourth Proportional to 86,504.33, 119,375.76 and 48,778.31

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Solution

The fourth proportional to 86,504.33, 119,375.76 and 48,778.31 is: 67,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.33 : 119,375.76 = 48,778.31 : x
  2. Step 2: Convert to fraction form
    86,504.33/119,375.76 = 48,778.31/x
  3. Step 3: Cross multiply
    86,504.33x = 119,375.76 × 48,778.31
  4. Step 4: Simplify right side
    86,504.33x = 5,822,947,230.89
  5. Step 5: Solve for x
    x = 5,822,947,230.89/86,504.33
  6. Step 6: Final answer
    x = 67,313.94

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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.