Home / 73,632.56-110,440.61-20,328.54

Finding the Fourth Proportional to 73,632.56, 110,440.61 and 20,328.54

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Solution

The fourth proportional to 73,632.56, 110,440.61 and 20,328.54 is: 30,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,632.56 : 110,440.61 = 20,328.54 : x
  2. Step 2: Convert to fraction form
    73,632.56/110,440.61 = 20,328.54/x
  3. Step 3: Cross multiply
    73,632.56x = 110,440.61 × 20,328.54
  4. Step 4: Simplify right side
    73,632.56x = 2,245,096,032.79
  5. Step 5: Solve for x
    x = 2,245,096,032.79/73,632.56
  6. Step 6: Final answer
    x = 30,490.53

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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.