Home / 67,891.73-101,842.56-17,971.47

Finding the Fourth Proportional to 67,891.73, 101,842.56 and 17,971.47

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Solution

The fourth proportional to 67,891.73, 101,842.56 and 17,971.47 is: 26,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,891.73 : 101,842.56 = 17,971.47 : x
  2. Step 2: Convert to fraction form
    67,891.73/101,842.56 = 17,971.47/x
  3. Step 3: Cross multiply
    67,891.73x = 101,842.56 × 17,971.47
  4. Step 4: Simplify right side
    67,891.73x = 1,830,260,511.76
  5. Step 5: Solve for x
    x = 1,830,260,511.76/67,891.73
  6. Step 6: Final answer
    x = 26,958.52

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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.