Home / 47,072.76-70,609.10-12,012.41

Finding the Fourth Proportional to 47,072.76, 70,609.10 and 12,012.41

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Solution

The fourth proportional to 47,072.76, 70,609.10 and 12,012.41 is: 18,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,072.76 : 70,609.10 = 12,012.41 : x
  2. Step 2: Convert to fraction form
    47,072.76/70,609.10 = 12,012.41/x
  3. Step 3: Cross multiply
    47,072.76x = 70,609.10 × 12,012.41
  4. Step 4: Simplify right side
    47,072.76x = 848,185,575.39
  5. Step 5: Solve for x
    x = 848,185,575.39/47,072.76
  6. Step 6: Final answer
    x = 18,018.61

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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.