Home / 57,812.20-86,675.10-31,546.60

Finding the Fourth Proportional to 57,812.20, 86,675.10 and 31,546.60

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Solution

The fourth proportional to 57,812.20, 86,675.10 and 31,546.60 is: 47,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.20 : 86,675.10 = 31,546.60 : x
  2. Step 2: Convert to fraction form
    57,812.20/86,675.10 = 31,546.60/x
  3. Step 3: Cross multiply
    57,812.20x = 86,675.10 × 31,546.60
  4. Step 4: Simplify right side
    57,812.20x = 2,734,304,709.66
  5. Step 5: Solve for x
    x = 2,734,304,709.66/57,812.20
  6. Step 6: Final answer
    x = 47,296.33

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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.