Home / 123,241.24-170,072.91-66,652.62

Finding the Fourth Proportional to 123,241.24, 170,072.91 and 66,652.62

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Solution

The fourth proportional to 123,241.24, 170,072.91 and 66,652.62 is: 91,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,241.24 : 170,072.91 = 66,652.62 : x
  2. Step 2: Convert to fraction form
    123,241.24/170,072.91 = 66,652.62/x
  3. Step 3: Cross multiply
    123,241.24x = 170,072.91 × 66,652.62
  4. Step 4: Simplify right side
    123,241.24x = 11,335,804,654.70
  5. Step 5: Solve for x
    x = 11,335,804,654.70/123,241.24
  6. Step 6: Final answer
    x = 91,980.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.