Home / 54,856.34-82,287.72-15,416.54

Finding the Fourth Proportional to 54,856.34, 82,287.72 and 15,416.54

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Solution

The fourth proportional to 54,856.34, 82,287.72 and 15,416.54 is: 23,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.34 : 82,287.72 = 15,416.54 : x
  2. Step 2: Convert to fraction form
    54,856.34/82,287.72 = 15,416.54/x
  3. Step 3: Cross multiply
    54,856.34x = 82,287.72 × 15,416.54
  4. Step 4: Simplify right side
    54,856.34x = 1,268,591,926.89
  5. Step 5: Solve for x
    x = 1,268,591,926.89/54,856.34
  6. Step 6: Final answer
    x = 23,125.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.