Home / 47,173.46-70,760.90-12,112.34

Finding the Fourth Proportional to 47,173.46, 70,760.90 and 12,112.34

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Solution

The fourth proportional to 47,173.46, 70,760.90 and 12,112.34 is: 18,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,173.46 : 70,760.90 = 12,112.34 : x
  2. Step 2: Convert to fraction form
    47,173.46/70,760.90 = 12,112.34/x
  3. Step 3: Cross multiply
    47,173.46x = 70,760.90 × 12,112.34
  4. Step 4: Simplify right side
    47,173.46x = 857,079,755.98
  5. Step 5: Solve for x
    x = 857,079,755.98/47,173.46
  6. Step 6: Final answer
    x = 18,168.69

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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.