Home / 47,709.89-71,556.73-12,653.09

Finding the Fourth Proportional to 47,709.89, 71,556.73 and 12,653.09

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Solution

The fourth proportional to 47,709.89, 71,556.73 and 12,653.09 is: 18,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,709.89 : 71,556.73 = 12,653.09 : x
  2. Step 2: Convert to fraction form
    47,709.89/71,556.73 = 12,653.09/x
  3. Step 3: Cross multiply
    47,709.89x = 71,556.73 × 12,653.09
  4. Step 4: Simplify right side
    47,709.89x = 905,413,744.80
  5. Step 5: Solve for x
    x = 905,413,744.80/47,709.89
  6. Step 6: Final answer
    x = 18,977.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.