Home / 85,208.37-117,568.61-48,907.60

Finding the Fourth Proportional to 85,208.37, 117,568.61 and 48,907.60

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Solution

The fourth proportional to 85,208.37, 117,568.61 and 48,907.60 is: 67,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,208.37 : 117,568.61 = 48,907.60 : x
  2. Step 2: Convert to fraction form
    85,208.37/117,568.61 = 48,907.60/x
  3. Step 3: Cross multiply
    85,208.37x = 117,568.61 × 48,907.60
  4. Step 4: Simplify right side
    85,208.37x = 5,749,998,011.98
  5. Step 5: Solve for x
    x = 5,749,998,011.98/85,208.37
  6. Step 6: Final answer
    x = 67,481.61

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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.