Home / 90,698.39-136,047.88-27,519.04

Finding the Fourth Proportional to 90,698.39, 136,047.88 and 27,519.04

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Solution

The fourth proportional to 90,698.39, 136,047.88 and 27,519.04 is: 41,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.39 : 136,047.88 = 27,519.04 : x
  2. Step 2: Convert to fraction form
    90,698.39/136,047.88 = 27,519.04/x
  3. Step 3: Cross multiply
    90,698.39x = 136,047.88 × 27,519.04
  4. Step 4: Simplify right side
    90,698.39x = 3,743,906,715.58
  5. Step 5: Solve for x
    x = 3,743,906,715.58/90,698.39
  6. Step 6: Final answer
    x = 41,278.64

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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.