Home / 54,812.68-82,212.60-15,372.96

Finding the Fourth Proportional to 54,812.68, 82,212.60 and 15,372.96

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Solution

The fourth proportional to 54,812.68, 82,212.60 and 15,372.96 is: 23,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,812.68 : 82,212.60 = 15,372.96 : x
  2. Step 2: Convert to fraction form
    54,812.68/82,212.60 = 15,372.96/x
  3. Step 3: Cross multiply
    54,812.68x = 82,212.60 × 15,372.96
  4. Step 4: Simplify right side
    54,812.68x = 1,263,851,011.30
  5. Step 5: Solve for x
    x = 1,263,851,011.30/54,812.68
  6. Step 6: Final answer
    x = 23,057.64

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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.