Home / 108,660.26-162,992.40-33,779.80

Finding the Fourth Proportional to 108,660.26, 162,992.40 and 33,779.80

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Solution

The fourth proportional to 108,660.26, 162,992.40 and 33,779.80 is: 50,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,660.26 : 162,992.40 = 33,779.80 : x
  2. Step 2: Convert to fraction form
    108,660.26/162,992.40 = 33,779.80/x
  3. Step 3: Cross multiply
    108,660.26x = 162,992.40 × 33,779.80
  4. Step 4: Simplify right side
    108,660.26x = 5,505,850,673.52
  5. Step 5: Solve for x
    x = 5,505,850,673.52/108,660.26
  6. Step 6: Final answer
    x = 50,670.32

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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.