Home / 54,812.16-82,221.43-15,372.35

Finding the Fourth Proportional to 54,812.16, 82,221.43 and 15,372.35

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Solution

The fourth proportional to 54,812.16, 82,221.43 and 15,372.35 is: 23,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,812.16 : 82,221.43 = 15,372.35 : x
  2. Step 2: Convert to fraction form
    54,812.16/82,221.43 = 15,372.35/x
  3. Step 3: Cross multiply
    54,812.16x = 82,221.43 × 15,372.35
  4. Step 4: Simplify right side
    54,812.16x = 1,263,936,487.08
  5. Step 5: Solve for x
    x = 1,263,936,487.08/54,812.16
  6. Step 6: Final answer
    x = 23,059.42

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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.