Home / 66,343.72-91,552.97-36,129.57

Finding the Fourth Proportional to 66,343.72, 91,552.97 and 36,129.57

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Solution

The fourth proportional to 66,343.72, 91,552.97 and 36,129.57 is: 49,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,343.72 : 91,552.97 = 36,129.57 : x
  2. Step 2: Convert to fraction form
    66,343.72/91,552.97 = 36,129.57/x
  3. Step 3: Cross multiply
    66,343.72x = 91,552.97 × 36,129.57
  4. Step 4: Simplify right side
    66,343.72x = 3,307,769,257.68
  5. Step 5: Solve for x
    x = 3,307,769,257.68/66,343.72
  6. Step 6: Final answer
    x = 49,858.06

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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.