Home / 90,836.76-136,259.82-27,651.90

Finding the Fourth Proportional to 90,836.76, 136,259.82 and 27,651.90

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Solution

The fourth proportional to 90,836.76, 136,259.82 and 27,651.90 is: 41,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,836.76 : 136,259.82 = 27,651.90 : x
  2. Step 2: Convert to fraction form
    90,836.76/136,259.82 = 27,651.90/x
  3. Step 3: Cross multiply
    90,836.76x = 136,259.82 × 27,651.90
  4. Step 4: Simplify right side
    90,836.76x = 3,767,842,916.66
  5. Step 5: Solve for x
    x = 3,767,842,916.66/90,836.76
  6. Step 6: Final answer
    x = 41,479.27

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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.