Home / 70,738.40-106,114.52-25,771.97

Finding the Fourth Proportional to 70,738.40, 106,114.52 and 25,771.97

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Solution

The fourth proportional to 70,738.40, 106,114.52 and 25,771.97 is: 38,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738.40 : 106,114.52 = 25,771.97 : x
  2. Step 2: Convert to fraction form
    70,738.40/106,114.52 = 25,771.97/x
  3. Step 3: Cross multiply
    70,738.40x = 106,114.52 × 25,771.97
  4. Step 4: Simplify right side
    70,738.40x = 2,734,780,555.72
  5. Step 5: Solve for x
    x = 2,734,780,555.72/70,738.40
  6. Step 6: Final answer
    x = 38,660.48

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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.