Home / 47,236.78-70,858.93-15,645.57

Finding the Fourth Proportional to 47,236.78, 70,858.93 and 15,645.57

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Solution

The fourth proportional to 47,236.78, 70,858.93 and 15,645.57 is: 23,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236.78 : 70,858.93 = 15,645.57 : x
  2. Step 2: Convert to fraction form
    47,236.78/70,858.93 = 15,645.57/x
  3. Step 3: Cross multiply
    47,236.78x = 70,858.93 × 15,645.57
  4. Step 4: Simplify right side
    47,236.78x = 1,108,628,349.44
  5. Step 5: Solve for x
    x = 1,108,628,349.44/47,236.78
  6. Step 6: Final answer
    x = 23,469.60

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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.