Home / 90,998.28-136,492.44-27,818.37

Finding the Fourth Proportional to 90,998.28, 136,492.44 and 27,818.37

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Solution

The fourth proportional to 90,998.28, 136,492.44 and 27,818.37 is: 41,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,998.28 : 136,492.44 = 27,818.37 : x
  2. Step 2: Convert to fraction form
    90,998.28/136,492.44 = 27,818.37/x
  3. Step 3: Cross multiply
    90,998.28x = 136,492.44 × 27,818.37
  4. Step 4: Simplify right side
    90,998.28x = 3,796,997,198.12
  5. Step 5: Solve for x
    x = 3,796,997,198.12/90,998.28
  6. Step 6: Final answer
    x = 41,726.03

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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.