Home / 70,198.75-105,347.33-40,575.83

Finding the Fourth Proportional to 70,198.75, 105,347.33 and 40,575.83

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Solution

The fourth proportional to 70,198.75, 105,347.33 and 40,575.83 is: 60,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,198.75 : 105,347.33 = 40,575.83 : x
  2. Step 2: Convert to fraction form
    70,198.75/105,347.33 = 40,575.83/x
  3. Step 3: Cross multiply
    70,198.75x = 105,347.33 × 40,575.83
  4. Step 4: Simplify right side
    70,198.75x = 4,274,555,353.03
  5. Step 5: Solve for x
    x = 4,274,555,353.03/70,198.75
  6. Step 6: Final answer
    x = 60,892.19

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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.