Home / 90,846.91-136,277.30-27,672.38

Finding the Fourth Proportional to 90,846.91, 136,277.30 and 27,672.38

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Solution

The fourth proportional to 90,846.91, 136,277.30 and 27,672.38 is: 41,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846.91 : 136,277.30 = 27,672.38 : x
  2. Step 2: Convert to fraction form
    90,846.91/136,277.30 = 27,672.38/x
  3. Step 3: Cross multiply
    90,846.91x = 136,277.30 × 27,672.38
  4. Step 4: Simplify right side
    90,846.91x = 3,771,117,230.97
  5. Step 5: Solve for x
    x = 3,771,117,230.97/90,846.91
  6. Step 6: Final answer
    x = 41,510.68

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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.