Home / 54,989.68-82,474.16-15,546.48

Finding the Fourth Proportional to 54,989.68, 82,474.16 and 15,546.48

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Solution

The fourth proportional to 54,989.68, 82,474.16 and 15,546.48 is: 23,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,989.68 : 82,474.16 = 15,546.48 : x
  2. Step 2: Convert to fraction form
    54,989.68/82,474.16 = 15,546.48/x
  3. Step 3: Cross multiply
    54,989.68x = 82,474.16 × 15,546.48
  4. Step 4: Simplify right side
    54,989.68x = 1,282,182,878.96
  5. Step 5: Solve for x
    x = 1,282,182,878.96/54,989.68
  6. Step 6: Final answer
    x = 23,316.79

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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.