Home / 73,109.27-109,667.90-23,185.75

Finding the Fourth Proportional to 73,109.27, 109,667.90 and 23,185.75

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Solution

The fourth proportional to 73,109.27, 109,667.90 and 23,185.75 is: 34,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.27 : 109,667.90 = 23,185.75 : x
  2. Step 2: Convert to fraction form
    73,109.27/109,667.90 = 23,185.75/x
  3. Step 3: Cross multiply
    73,109.27x = 109,667.90 × 23,185.75
  4. Step 4: Simplify right side
    73,109.27x = 2,542,732,296.22
  5. Step 5: Solve for x
    x = 2,542,732,296.22/73,109.27
  6. Step 6: Final answer
    x = 34,779.89

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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.