Home / 47,421.93-71,131.19-11,883.54

Finding the Fourth Proportional to 47,421.93, 71,131.19 and 11,883.54

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Solution

The fourth proportional to 47,421.93, 71,131.19 and 11,883.54 is: 17,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.93 : 71,131.19 = 11,883.54 : x
  2. Step 2: Convert to fraction form
    47,421.93/71,131.19 = 11,883.54/x
  3. Step 3: Cross multiply
    47,421.93x = 71,131.19 × 11,883.54
  4. Step 4: Simplify right side
    47,421.93x = 845,289,982.19
  5. Step 5: Solve for x
    x = 845,289,982.19/47,421.93
  6. Step 6: Final answer
    x = 17,824.87

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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.