Home / 69,171.74-103,747.28-19,246.62

Finding the Fourth Proportional to 69,171.74, 103,747.28 and 19,246.62

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Solution

The fourth proportional to 69,171.74, 103,747.28 and 19,246.62 is: 28,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.74 : 103,747.28 = 19,246.62 : x
  2. Step 2: Convert to fraction form
    69,171.74/103,747.28 = 19,246.62/x
  3. Step 3: Cross multiply
    69,171.74x = 103,747.28 × 19,246.62
  4. Step 4: Simplify right side
    69,171.74x = 1,996,784,377.96
  5. Step 5: Solve for x
    x = 1,996,784,377.96/69,171.74
  6. Step 6: Final answer
    x = 28,867.06

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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.