Home / 66,556.56-91,863.54-43,899.60

Finding the Fourth Proportional to 66,556.56, 91,863.54 and 43,899.60

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Solution

The fourth proportional to 66,556.56, 91,863.54 and 43,899.60 is: 60,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,556.56 : 91,863.54 = 43,899.60 : x
  2. Step 2: Convert to fraction form
    66,556.56/91,863.54 = 43,899.60/x
  3. Step 3: Cross multiply
    66,556.56x = 91,863.54 × 43,899.60
  4. Step 4: Simplify right side
    66,556.56x = 4,032,772,660.58
  5. Step 5: Solve for x
    x = 4,032,772,660.58/66,556.56
  6. Step 6: Final answer
    x = 60,591.66

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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.