Home / 66,629-91,948.38-36,414.62

Finding the Fourth Proportional to 66,629, 91,948.38 and 36,414.62

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Solution

The fourth proportional to 66,629, 91,948.38 and 36,414.62 is: 50,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,629 : 91,948.38 = 36,414.62 : x
  2. Step 2: Convert to fraction form
    66,629/91,948.38 = 36,414.62/x
  3. Step 3: Cross multiply
    66,629x = 91,948.38 × 36,414.62
  4. Step 4: Simplify right side
    66,629x = 3,348,265,317.32
  5. Step 5: Solve for x
    x = 3,348,265,317.32/66,629
  6. Step 6: Final answer
    x = 50,252.37

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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.