Home / 47,072.93-70,609.35-12,012.59

Finding the Fourth Proportional to 47,072.93, 70,609.35 and 12,012.59

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Solution

The fourth proportional to 47,072.93, 70,609.35 and 12,012.59 is: 18,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,072.93 : 70,609.35 = 12,012.59 : x
  2. Step 2: Convert to fraction form
    47,072.93/70,609.35 = 12,012.59/x
  3. Step 3: Cross multiply
    47,072.93x = 70,609.35 × 12,012.59
  4. Step 4: Simplify right side
    47,072.93x = 848,200,818.67
  5. Step 5: Solve for x
    x = 848,200,818.67/47,072.93
  6. Step 6: Final answer
    x = 18,018.87

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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.