Home / 95,579.28-131,861.52-55,285.56

Finding the Fourth Proportional to 95,579.28, 131,861.52 and 55,285.56

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Solution

The fourth proportional to 95,579.28, 131,861.52 and 55,285.56 is: 76,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,579.28 : 131,861.52 = 55,285.56 : x
  2. Step 2: Convert to fraction form
    95,579.28/131,861.52 = 55,285.56/x
  3. Step 3: Cross multiply
    95,579.28x = 131,861.52 × 55,285.56
  4. Step 4: Simplify right side
    95,579.28x = 7,290,037,975.65
  5. Step 5: Solve for x
    x = 7,290,037,975.65/95,579.28
  6. Step 6: Final answer
    x = 76,272.16

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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.