Home / 47,578.97-71,368.22-12,040.62

Finding the Fourth Proportional to 47,578.97, 71,368.22 and 12,040.62

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Solution

The fourth proportional to 47,578.97, 71,368.22 and 12,040.62 is: 18,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.97 : 71,368.22 = 12,040.62 : x
  2. Step 2: Convert to fraction form
    47,578.97/71,368.22 = 12,040.62/x
  3. Step 3: Cross multiply
    47,578.97x = 71,368.22 × 12,040.62
  4. Step 4: Simplify right side
    47,578.97x = 859,317,556.89
  5. Step 5: Solve for x
    x = 859,317,556.89/47,578.97
  6. Step 6: Final answer
    x = 18,060.87

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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.