Home / 57,940.20-86,888.70-22,872.60

Finding the Fourth Proportional to 57,940.20, 86,888.70 and 22,872.60

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Solution

The fourth proportional to 57,940.20, 86,888.70 and 22,872.60 is: 34,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940.20 : 86,888.70 = 22,872.60 : x
  2. Step 2: Convert to fraction form
    57,940.20/86,888.70 = 22,872.60/x
  3. Step 3: Cross multiply
    57,940.20x = 86,888.70 × 22,872.60
  4. Step 4: Simplify right side
    57,940.20x = 1,987,370,479.62
  5. Step 5: Solve for x
    x = 1,987,370,479.62/57,940.20
  6. Step 6: Final answer
    x = 34,300.37

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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.