Home / 47,578.47-71,367.48-12,040.12

Finding the Fourth Proportional to 47,578.47, 71,367.48 and 12,040.12

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Solution

The fourth proportional to 47,578.47, 71,367.48 and 12,040.12 is: 18,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.47 : 71,367.48 = 12,040.12 : x
  2. Step 2: Convert to fraction form
    47,578.47/71,367.48 = 12,040.12/x
  3. Step 3: Cross multiply
    47,578.47x = 71,367.48 × 12,040.12
  4. Step 4: Simplify right side
    47,578.47x = 859,273,023.30
  5. Step 5: Solve for x
    x = 859,273,023.30/47,578.47
  6. Step 6: Final answer
    x = 18,060.12

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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.