Home / 108,431.98-162,656.19-33,559.70

Finding the Fourth Proportional to 108,431.98, 162,656.19 and 33,559.70

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Solution

The fourth proportional to 108,431.98, 162,656.19 and 33,559.70 is: 50,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431.98 : 162,656.19 = 33,559.70 : x
  2. Step 2: Convert to fraction form
    108,431.98/162,656.19 = 33,559.70/x
  3. Step 3: Cross multiply
    108,431.98x = 162,656.19 × 33,559.70
  4. Step 4: Simplify right side
    108,431.98x = 5,458,693,135.59
  5. Step 5: Solve for x
    x = 5,458,693,135.59/108,431.98
  6. Step 6: Final answer
    x = 50,342.09

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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.