Home / 57,722.85-86,583.33-18,279.90

Finding the Fourth Proportional to 57,722.85, 86,583.33 and 18,279.90

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Solution

The fourth proportional to 57,722.85, 86,583.33 and 18,279.90 is: 27,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.85 : 86,583.33 = 18,279.90 : x
  2. Step 2: Convert to fraction form
    57,722.85/86,583.33 = 18,279.90/x
  3. Step 3: Cross multiply
    57,722.85x = 86,583.33 × 18,279.90
  4. Step 4: Simplify right side
    57,722.85x = 1,582,734,614.07
  5. Step 5: Solve for x
    x = 1,582,734,614.07/57,722.85
  6. Step 6: Final answer
    x = 27,419.55

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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.