Home / 86,571.20-119,468.44-48,845.48

Finding the Fourth Proportional to 86,571.20, 119,468.44 and 48,845.48

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Solution

The fourth proportional to 86,571.20, 119,468.44 and 48,845.48 is: 67,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,571.20 : 119,468.44 = 48,845.48 : x
  2. Step 2: Convert to fraction form
    86,571.20/119,468.44 = 48,845.48/x
  3. Step 3: Cross multiply
    86,571.20x = 119,468.44 × 48,845.48
  4. Step 4: Simplify right side
    86,571.20x = 5,835,493,296.65
  5. Step 5: Solve for x
    x = 5,835,493,296.65/86,571.20
  6. Step 6: Final answer
    x = 67,406.87

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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.