Home / 66,945.66-100,414.36-27,501.75

Finding the Fourth Proportional to 66,945.66, 100,414.36 and 27,501.75

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Solution

The fourth proportional to 66,945.66, 100,414.36 and 27,501.75 is: 41,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.66 : 100,414.36 = 27,501.75 : x
  2. Step 2: Convert to fraction form
    66,945.66/100,414.36 = 27,501.75/x
  3. Step 3: Cross multiply
    66,945.66x = 100,414.36 × 27,501.75
  4. Step 4: Simplify right side
    66,945.66x = 2,761,570,864.57
  5. Step 5: Solve for x
    x = 2,761,570,864.57/66,945.66
  6. Step 6: Final answer
    x = 41,250.93

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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.