Home / 47,289.24-70,933.14-12,228.60

Finding the Fourth Proportional to 47,289.24, 70,933.14 and 12,228.60

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Solution

The fourth proportional to 47,289.24, 70,933.14 and 12,228.60 is: 18,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289.24 : 70,933.14 = 12,228.60 : x
  2. Step 2: Convert to fraction form
    47,289.24/70,933.14 = 12,228.60/x
  3. Step 3: Cross multiply
    47,289.24x = 70,933.14 × 12,228.60
  4. Step 4: Simplify right side
    47,289.24x = 867,412,995.80
  5. Step 5: Solve for x
    x = 867,412,995.80/47,289.24
  6. Step 6: Final answer
    x = 18,342.71

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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.