Home / 54,722.12-82,006.94-30,684.87

Finding the Fourth Proportional to 54,722.12, 82,006.94 and 30,684.87

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Solution

The fourth proportional to 54,722.12, 82,006.94 and 30,684.87 is: 45,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.12 : 82,006.94 = 30,684.87 : x
  2. Step 2: Convert to fraction form
    54,722.12/82,006.94 = 30,684.87/x
  3. Step 3: Cross multiply
    54,722.12x = 82,006.94 × 30,684.87
  4. Step 4: Simplify right side
    54,722.12x = 2,516,372,164.69
  5. Step 5: Solve for x
    x = 2,516,372,164.69/54,722.12
  6. Step 6: Final answer
    x = 45,984.55

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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.