Home / 70,623.54-105,845.22-33,100.86

Finding the Fourth Proportional to 70,623.54, 105,845.22 and 33,100.86

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Solution

The fourth proportional to 70,623.54, 105,845.22 and 33,100.86 is: 49,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.54 : 105,845.22 = 33,100.86 : x
  2. Step 2: Convert to fraction form
    70,623.54/105,845.22 = 33,100.86/x
  3. Step 3: Cross multiply
    70,623.54x = 105,845.22 × 33,100.86
  4. Step 4: Simplify right side
    70,623.54x = 3,503,567,808.89
  5. Step 5: Solve for x
    x = 3,503,567,808.89/70,623.54
  6. Step 6: Final answer
    x = 49,609.07

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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.