Home / 84,601.26-126,905.66-47,132.94

Finding the Fourth Proportional to 84,601.26, 126,905.66 and 47,132.94

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Solution

The fourth proportional to 84,601.26, 126,905.66 and 47,132.94 is: 70,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,601.26 : 126,905.66 = 47,132.94 : x
  2. Step 2: Convert to fraction form
    84,601.26/126,905.66 = 47,132.94/x
  3. Step 3: Cross multiply
    84,601.26x = 126,905.66 × 47,132.94
  4. Step 4: Simplify right side
    84,601.26x = 5,981,436,622.78
  5. Step 5: Solve for x
    x = 5,981,436,622.78/84,601.26
  6. Step 6: Final answer
    x = 70,701.51

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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.