Home / 71,299.11-98,403.32-41,078.67

Finding the Fourth Proportional to 71,299.11, 98,403.32 and 41,078.67

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Solution

The fourth proportional to 71,299.11, 98,403.32 and 41,078.67 is: 56,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,299.11 : 98,403.32 = 41,078.67 : x
  2. Step 2: Convert to fraction form
    71,299.11/98,403.32 = 41,078.67/x
  3. Step 3: Cross multiply
    71,299.11x = 98,403.32 × 41,078.67
  4. Step 4: Simplify right side
    71,299.11x = 4,042,277,303.79
  5. Step 5: Solve for x
    x = 4,042,277,303.79/71,299.11
  6. Step 6: Final answer
    x = 56,694.64

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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.