Home / 66,667.22-91,997.54-37,993.60

Finding the Fourth Proportional to 66,667.22, 91,997.54 and 37,993.60

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Solution

The fourth proportional to 66,667.22, 91,997.54 and 37,993.60 is: 52,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,667.22 : 91,997.54 = 37,993.60 : x
  2. Step 2: Convert to fraction form
    66,667.22/91,997.54 = 37,993.60/x
  3. Step 3: Cross multiply
    66,667.22x = 91,997.54 × 37,993.60
  4. Step 4: Simplify right side
    66,667.22x = 3,495,317,735.74
  5. Step 5: Solve for x
    x = 3,495,317,735.74/66,667.22
  6. Step 6: Final answer
    x = 52,429.33

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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.