Home / 66,174.75-91,321.70-35,960.06

Finding the Fourth Proportional to 66,174.75, 91,321.70 and 35,960.06

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Solution

The fourth proportional to 66,174.75, 91,321.70 and 35,960.06 is: 49,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,174.75 : 91,321.70 = 35,960.06 : x
  2. Step 2: Convert to fraction form
    66,174.75/91,321.70 = 35,960.06/x
  3. Step 3: Cross multiply
    66,174.75x = 91,321.70 × 35,960.06
  4. Step 4: Simplify right side
    66,174.75x = 3,283,933,174.89
  5. Step 5: Solve for x
    x = 3,283,933,174.89/66,174.75
  6. Step 6: Final answer
    x = 49,625.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.