Home / 66,076.94-91,261.86-43,516.78

Finding the Fourth Proportional to 66,076.94, 91,261.86 and 43,516.78

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Solution

The fourth proportional to 66,076.94, 91,261.86 and 43,516.78 is: 60,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,076.94 : 91,261.86 = 43,516.78 : x
  2. Step 2: Convert to fraction form
    66,076.94/91,261.86 = 43,516.78/x
  3. Step 3: Cross multiply
    66,076.94x = 91,261.86 × 43,516.78
  4. Step 4: Simplify right side
    66,076.94x = 3,971,422,284.01
  5. Step 5: Solve for x
    x = 3,971,422,284.01/66,076.94
  6. Step 6: Final answer
    x = 60,103.00

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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.