Home / 90,849.25-136,278.59-27,664.49

Finding the Fourth Proportional to 90,849.25, 136,278.59 and 27,664.49

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Solution

The fourth proportional to 90,849.25, 136,278.59 and 27,664.49 is: 41,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849.25 : 136,278.59 = 27,664.49 : x
  2. Step 2: Convert to fraction form
    90,849.25/136,278.59 = 27,664.49/x
  3. Step 3: Cross multiply
    90,849.25x = 136,278.59 × 27,664.49
  4. Step 4: Simplify right side
    90,849.25x = 3,770,077,892.64
  5. Step 5: Solve for x
    x = 3,770,077,892.64/90,849.25
  6. Step 6: Final answer
    x = 41,498.17

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1.5x scale

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.