Home / 47,072.57-70,608.81-12,012.23

Finding the Fourth Proportional to 47,072.57, 70,608.81 and 12,012.23

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Solution

The fourth proportional to 47,072.57, 70,608.81 and 12,012.23 is: 18,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,072.57 : 70,608.81 = 12,012.23 : x
  2. Step 2: Convert to fraction form
    47,072.57/70,608.81 = 12,012.23/x
  3. Step 3: Cross multiply
    47,072.57x = 70,608.81 × 12,012.23
  4. Step 4: Simplify right side
    47,072.57x = 848,169,090.14
  5. Step 5: Solve for x
    x = 848,169,090.14/47,072.57
  6. Step 6: Final answer
    x = 18,018.33

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1.5x scale

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.