Home / 54,910.81-82,210.56-36,134.38

Finding the Fourth Proportional to 54,910.81, 82,210.56 and 36,134.38

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Solution

The fourth proportional to 54,910.81, 82,210.56 and 36,134.38 is: 54,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.81 : 82,210.56 = 36,134.38 : x
  2. Step 2: Convert to fraction form
    54,910.81/82,210.56 = 36,134.38/x
  3. Step 3: Cross multiply
    54,910.81x = 82,210.56 × 36,134.38
  4. Step 4: Simplify right side
    54,910.81x = 2,970,627,615.05
  5. Step 5: Solve for x
    x = 2,970,627,615.05/54,910.81
  6. Step 6: Final answer
    x = 54,099.14

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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.