Home / 111,059.22-166,538.75-54,877.43

Finding the Fourth Proportional to 111,059.22, 166,538.75 and 54,877.43

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Solution

The fourth proportional to 111,059.22, 166,538.75 and 54,877.43 is: 82,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,059.22 : 166,538.75 = 54,877.43 : x
  2. Step 2: Convert to fraction form
    111,059.22/166,538.75 = 54,877.43/x
  3. Step 3: Cross multiply
    111,059.22x = 166,538.75 × 54,877.43
  4. Step 4: Simplify right side
    111,059.22x = 9,139,217,488.33
  5. Step 5: Solve for x
    x = 9,139,217,488.33/111,059.22
  6. Step 6: Final answer
    x = 82,291.39

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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.