Home / 54,961.53-82,448.25-17,512.80

Finding the Fourth Proportional to 54,961.53, 82,448.25 and 17,512.80

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Solution

The fourth proportional to 54,961.53, 82,448.25 and 17,512.80 is: 26,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961.53 : 82,448.25 = 17,512.80 : x
  2. Step 2: Convert to fraction form
    54,961.53/82,448.25 = 17,512.80/x
  3. Step 3: Cross multiply
    54,961.53x = 82,448.25 × 17,512.80
  4. Step 4: Simplify right side
    54,961.53x = 1,443,899,712.60
  5. Step 5: Solve for x
    x = 1,443,899,712.60/54,961.53
  6. Step 6: Final answer
    x = 26,271.10

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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.