Home / 66,110.72-91,231.26-35,896.12

Finding the Fourth Proportional to 66,110.72, 91,231.26 and 35,896.12

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Solution

The fourth proportional to 66,110.72, 91,231.26 and 35,896.12 is: 49,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,110.72 : 91,231.26 = 35,896.12 : x
  2. Step 2: Convert to fraction form
    66,110.72/91,231.26 = 35,896.12/x
  3. Step 3: Cross multiply
    66,110.72x = 91,231.26 × 35,896.12
  4. Step 4: Simplify right side
    66,110.72x = 3,274,848,256.71
  5. Step 5: Solve for x
    x = 3,274,848,256.71/66,110.72
  6. Step 6: Final answer
    x = 49,535.81

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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.