Home / 47,136.88-70,704.96-12,076.48

Finding the Fourth Proportional to 47,136.88, 70,704.96 and 12,076.48

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Solution

The fourth proportional to 47,136.88, 70,704.96 and 12,076.48 is: 18,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.88 : 70,704.96 = 12,076.48 : x
  2. Step 2: Convert to fraction form
    47,136.88/70,704.96 = 12,076.48/x
  3. Step 3: Cross multiply
    47,136.88x = 70,704.96 × 12,076.48
  4. Step 4: Simplify right side
    47,136.88x = 853,867,035.34
  5. Step 5: Solve for x
    x = 853,867,035.34/47,136.88
  6. Step 6: Final answer
    x = 18,114.63

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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.