Home / 47,915.43-71,793.69-29,138.67

Finding the Fourth Proportional to 47,915.43, 71,793.69 and 29,138.67

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Solution

The fourth proportional to 47,915.43, 71,793.69 and 29,138.67 is: 43,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.43 : 71,793.69 = 29,138.67 : x
  2. Step 2: Convert to fraction form
    47,915.43/71,793.69 = 29,138.67/x
  3. Step 3: Cross multiply
    47,915.43x = 71,793.69 × 29,138.67
  4. Step 4: Simplify right side
    47,915.43x = 2,091,972,640.99
  5. Step 5: Solve for x
    x = 2,091,972,640.99/47,915.43
  6. Step 6: Final answer
    x = 43,659.69

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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.