Home / 95,362.21-131,586.42-57,112.80

Finding the Fourth Proportional to 95,362.21, 131,586.42 and 57,112.80

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Solution

The fourth proportional to 95,362.21, 131,586.42 and 57,112.80 is: 78,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,362.21 : 131,586.42 = 57,112.80 : x
  2. Step 2: Convert to fraction form
    95,362.21/131,586.42 = 57,112.80/x
  3. Step 3: Cross multiply
    95,362.21x = 131,586.42 × 57,112.80
  4. Step 4: Simplify right side
    95,362.21x = 7,515,267,944.68
  5. Step 5: Solve for x
    x = 7,515,267,944.68/95,362.21
  6. Step 6: Final answer
    x = 78,807.61

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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.