Home / 90,603.06-135,850.93-27,404.03

Finding the Fourth Proportional to 90,603.06, 135,850.93 and 27,404.03

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Solution

The fourth proportional to 90,603.06, 135,850.93 and 27,404.03 is: 41,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,603.06 : 135,850.93 = 27,404.03 : x
  2. Step 2: Convert to fraction form
    90,603.06/135,850.93 = 27,404.03/x
  3. Step 3: Cross multiply
    90,603.06x = 135,850.93 × 27,404.03
  4. Step 4: Simplify right side
    90,603.06x = 3,722,862,961.25
  5. Step 5: Solve for x
    x = 3,722,862,961.25/90,603.06
  6. Step 6: Final answer
    x = 41,089.81

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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.