Home / 66,214.79-91,396.16-43,571.24

Finding the Fourth Proportional to 66,214.79, 91,396.16 and 43,571.24

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Solution

The fourth proportional to 66,214.79, 91,396.16 and 43,571.24 is: 60,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,214.79 : 91,396.16 = 43,571.24 : x
  2. Step 2: Convert to fraction form
    66,214.79/91,396.16 = 43,571.24/x
  3. Step 3: Cross multiply
    66,214.79x = 91,396.16 × 43,571.24
  4. Step 4: Simplify right side
    66,214.79x = 3,982,244,022.44
  5. Step 5: Solve for x
    x = 3,982,244,022.44/66,214.79
  6. Step 6: Final answer
    x = 60,141.31

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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.