Home / 52,442.10-78,694.74-20,846.43

Finding the Fourth Proportional to 52,442.10, 78,694.74 and 20,846.43

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Solution

The fourth proportional to 52,442.10, 78,694.74 and 20,846.43 is: 31,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.10 : 78,694.74 = 20,846.43 : x
  2. Step 2: Convert to fraction form
    52,442.10/78,694.74 = 20,846.43/x
  3. Step 3: Cross multiply
    52,442.10x = 78,694.74 × 20,846.43
  4. Step 4: Simplify right side
    52,442.10x = 1,640,504,388.78
  5. Step 5: Solve for x
    x = 1,640,504,388.78/52,442.10
  6. Step 6: Final answer
    x = 31,282.20

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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.