Home / 66,569.31-91,843.56-43,919.55

Finding the Fourth Proportional to 66,569.31, 91,843.56 and 43,919.55

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Solution

The fourth proportional to 66,569.31, 91,843.56 and 43,919.55 is: 60,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,569.31 : 91,843.56 = 43,919.55 : x
  2. Step 2: Convert to fraction form
    66,569.31/91,843.56 = 43,919.55/x
  3. Step 3: Cross multiply
    66,569.31x = 91,843.56 × 43,919.55
  4. Step 4: Simplify right side
    66,569.31x = 4,033,727,825.60
  5. Step 5: Solve for x
    x = 4,033,727,825.60/66,569.31
  6. Step 6: Final answer
    x = 60,594.41

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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.