Home / 73,361.07-109,862.13-66,261.26

Finding the Fourth Proportional to 73,361.07, 109,862.13 and 66,261.26

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Solution

The fourth proportional to 73,361.07, 109,862.13 and 66,261.26 is: 99,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,361.07 : 109,862.13 = 66,261.26 : x
  2. Step 2: Convert to fraction form
    73,361.07/109,862.13 = 66,261.26/x
  3. Step 3: Cross multiply
    73,361.07x = 109,862.13 × 66,261.26
  4. Step 4: Simplify right side
    73,361.07x = 7,279,603,160.08
  5. Step 5: Solve for x
    x = 7,279,603,160.08/73,361.07
  6. Step 6: Final answer
    x = 99,229.78

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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.