Home / 55,122.42-82,697.50-15,679.54

Finding the Fourth Proportional to 55,122.42, 82,697.50 and 15,679.54

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Solution

The fourth proportional to 55,122.42, 82,697.50 and 15,679.54 is: 23,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122.42 : 82,697.50 = 15,679.54 : x
  2. Step 2: Convert to fraction form
    55,122.42/82,697.50 = 15,679.54/x
  3. Step 3: Cross multiply
    55,122.42x = 82,697.50 × 15,679.54
  4. Step 4: Simplify right side
    55,122.42x = 1,296,658,759.15
  5. Step 5: Solve for x
    x = 1,296,658,759.15/55,122.42
  6. Step 6: Final answer
    x = 23,523.26

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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.