Home / 51,083.44-76,608.62-18,620.98

Finding the Fourth Proportional to 51,083.44, 76,608.62 and 18,620.98

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Solution

The fourth proportional to 51,083.44, 76,608.62 and 18,620.98 is: 27,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,083.44 : 76,608.62 = 18,620.98 : x
  2. Step 2: Convert to fraction form
    51,083.44/76,608.62 = 18,620.98/x
  3. Step 3: Cross multiply
    51,083.44x = 76,608.62 × 18,620.98
  4. Step 4: Simplify right side
    51,083.44x = 1,426,527,580.85
  5. Step 5: Solve for x
    x = 1,426,527,580.85/51,083.44
  6. Step 6: Final answer
    x = 27,925.44

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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.