Home / 91,073.89-136,618.13-27,899.02

Finding the Fourth Proportional to 91,073.89, 136,618.13 and 27,899.02

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Solution

The fourth proportional to 91,073.89, 136,618.13 and 27,899.02 is: 41,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,073.89 : 136,618.13 = 27,899.02 : x
  2. Step 2: Convert to fraction form
    91,073.89/136,618.13 = 27,899.02/x
  3. Step 3: Cross multiply
    91,073.89x = 136,618.13 × 27,899.02
  4. Step 4: Simplify right side
    91,073.89x = 3,811,511,801.74
  5. Step 5: Solve for x
    x = 3,811,511,801.74/91,073.89
  6. Step 6: Final answer
    x = 41,850.76

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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.