Home / 66,027.96-91,120.14-37,736.28

Finding the Fourth Proportional to 66,027.96, 91,120.14 and 37,736.28

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Solution

The fourth proportional to 66,027.96, 91,120.14 and 37,736.28 is: 52,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,027.96 : 91,120.14 = 37,736.28 : x
  2. Step 2: Convert to fraction form
    66,027.96/91,120.14 = 37,736.28/x
  3. Step 3: Cross multiply
    66,027.96x = 91,120.14 × 37,736.28
  4. Step 4: Simplify right side
    66,027.96x = 3,438,535,116.68
  5. Step 5: Solve for x
    x = 3,438,535,116.68/66,027.96
  6. Step 6: Final answer
    x = 52,076.96

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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.