Home / 91,087.52-136,635.37-27,903.03

Finding the Fourth Proportional to 91,087.52, 136,635.37 and 27,903.03

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Solution

The fourth proportional to 91,087.52, 136,635.37 and 27,903.03 is: 41,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087.52 : 136,635.37 = 27,903.03 : x
  2. Step 2: Convert to fraction form
    91,087.52/136,635.37 = 27,903.03/x
  3. Step 3: Cross multiply
    91,087.52x = 136,635.37 × 27,903.03
  4. Step 4: Simplify right side
    91,087.52x = 3,812,540,144.99
  5. Step 5: Solve for x
    x = 3,812,540,144.99/91,087.52
  6. Step 6: Final answer
    x = 41,855.79

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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.