Home / 45,982.62-68,973.82-12,702.60

Finding the Fourth Proportional to 45,982.62, 68,973.82 and 12,702.60

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Solution

The fourth proportional to 45,982.62, 68,973.82 and 12,702.60 is: 19,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,982.62 : 68,973.82 = 12,702.60 : x
  2. Step 2: Convert to fraction form
    45,982.62/68,973.82 = 12,702.60/x
  3. Step 3: Cross multiply
    45,982.62x = 68,973.82 × 12,702.60
  4. Step 4: Simplify right side
    45,982.62x = 876,146,845.93
  5. Step 5: Solve for x
    x = 876,146,845.93/45,982.62
  6. Step 6: Final answer
    x = 19,053.87

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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.