Home / 82,290.25-123,361.44-29,687.41

Finding the Fourth Proportional to 82,290.25, 123,361.44 and 29,687.41

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Solution

The fourth proportional to 82,290.25, 123,361.44 and 29,687.41 is: 44,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,290.25 : 123,361.44 = 29,687.41 : x
  2. Step 2: Convert to fraction form
    82,290.25/123,361.44 = 29,687.41/x
  3. Step 3: Cross multiply
    82,290.25x = 123,361.44 × 29,687.41
  4. Step 4: Simplify right side
    82,290.25x = 3,662,281,647.47
  5. Step 5: Solve for x
    x = 3,662,281,647.47/82,290.25
  6. Step 6: Final answer
    x = 44,504.44

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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.