Home / 47,105.76-70,651.27-30,582.97

Finding the Fourth Proportional to 47,105.76, 70,651.27 and 30,582.97

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Solution

The fourth proportional to 47,105.76, 70,651.27 and 30,582.97 is: 45,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,105.76 : 70,651.27 = 30,582.97 : x
  2. Step 2: Convert to fraction form
    47,105.76/70,651.27 = 30,582.97/x
  3. Step 3: Cross multiply
    47,105.76x = 70,651.27 × 30,582.97
  4. Step 4: Simplify right side
    47,105.76x = 2,160,725,670.87
  5. Step 5: Solve for x
    x = 2,160,725,670.87/47,105.76
  6. Step 6: Final answer
    x = 45,869.67

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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.