Home / 55,136.54-82,705.31-15,693.64

Finding the Fourth Proportional to 55,136.54, 82,705.31 and 15,693.64

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Solution

The fourth proportional to 55,136.54, 82,705.31 and 15,693.64 is: 23,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136.54 : 82,705.31 = 15,693.64 : x
  2. Step 2: Convert to fraction form
    55,136.54/82,705.31 = 15,693.64/x
  3. Step 3: Cross multiply
    55,136.54x = 82,705.31 × 15,693.64
  4. Step 4: Simplify right side
    55,136.54x = 1,297,947,193.70
  5. Step 5: Solve for x
    x = 1,297,947,193.70/55,136.54
  6. Step 6: Final answer
    x = 23,540.60

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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.