Home / 57,734.70-86,614.20-18,295.80

Finding the Fourth Proportional to 57,734.70, 86,614.20 and 18,295.80

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Solution

The fourth proportional to 57,734.70, 86,614.20 and 18,295.80 is: 27,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.70 : 86,614.20 = 18,295.80 : x
  2. Step 2: Convert to fraction form
    57,734.70/86,614.20 = 18,295.80/x
  3. Step 3: Cross multiply
    57,734.70x = 86,614.20 × 18,295.80
  4. Step 4: Simplify right side
    57,734.70x = 1,584,676,080.36
  5. Step 5: Solve for x
    x = 1,584,676,080.36/57,734.70
  6. Step 6: Final answer
    x = 27,447.55

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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.