Home / 49,041.75-73,562.81-12,105.75

Finding the Fourth Proportional to 49,041.75, 73,562.81 and 12,105.75

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Solution

The fourth proportional to 49,041.75, 73,562.81 and 12,105.75 is: 18,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,041.75 : 73,562.81 = 12,105.75 : x
  2. Step 2: Convert to fraction form
    49,041.75/73,562.81 = 12,105.75/x
  3. Step 3: Cross multiply
    49,041.75x = 73,562.81 × 12,105.75
  4. Step 4: Simplify right side
    49,041.75x = 890,532,926.63
  5. Step 5: Solve for x
    x = 890,532,926.63/49,041.75
  6. Step 6: Final answer
    x = 18,158.67

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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.