Home / 110,715.66-166,161.78-57,422.72

Finding the Fourth Proportional to 110,715.66, 166,161.78 and 57,422.72

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Solution

The fourth proportional to 110,715.66, 166,161.78 and 57,422.72 is: 86,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,715.66 : 166,161.78 = 57,422.72 : x
  2. Step 2: Convert to fraction form
    110,715.66/166,161.78 = 57,422.72/x
  3. Step 3: Cross multiply
    110,715.66x = 166,161.78 × 57,422.72
  4. Step 4: Simplify right side
    110,715.66x = 9,541,461,783.05
  5. Step 5: Solve for x
    x = 9,541,461,783.05/110,715.66
  6. Step 6: Final answer
    x = 86,179.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.