Home / 107,812.14-148,793.91-65,370.54

Finding the Fourth Proportional to 107,812.14, 148,793.91 and 65,370.54

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Solution

The fourth proportional to 107,812.14, 148,793.91 and 65,370.54 is: 90,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812.14 : 148,793.91 = 65,370.54 : x
  2. Step 2: Convert to fraction form
    107,812.14/148,793.91 = 65,370.54/x
  3. Step 3: Cross multiply
    107,812.14x = 148,793.91 × 65,370.54
  4. Step 4: Simplify right side
    107,812.14x = 9,726,738,245.41
  5. Step 5: Solve for x
    x = 9,726,738,245.41/107,812.14
  6. Step 6: Final answer
    x = 90,219.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.