Home / 55,122.57-82,720.62-35,415.27

Finding the Fourth Proportional to 55,122.57, 82,720.62 and 35,415.27

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Solution

The fourth proportional to 55,122.57, 82,720.62 and 35,415.27 is: 53,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122.57 : 82,720.62 = 35,415.27 : x
  2. Step 2: Convert to fraction form
    55,122.57/82,720.62 = 35,415.27/x
  3. Step 3: Cross multiply
    55,122.57x = 82,720.62 × 35,415.27
  4. Step 4: Simplify right side
    55,122.57x = 2,929,573,091.87
  5. Step 5: Solve for x
    x = 2,929,573,091.87/55,122.57
  6. Step 6: Final answer
    x = 53,146.53

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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.