Home / 43,668.54-65,511.18-14,078.43

Finding the Fourth Proportional to 43,668.54, 65,511.18 and 14,078.43

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Solution

The fourth proportional to 43,668.54, 65,511.18 and 14,078.43 is: 21,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,668.54 : 65,511.18 = 14,078.43 : x
  2. Step 2: Convert to fraction form
    43,668.54/65,511.18 = 14,078.43/x
  3. Step 3: Cross multiply
    43,668.54x = 65,511.18 × 14,078.43
  4. Step 4: Simplify right side
    43,668.54x = 922,294,561.85
  5. Step 5: Solve for x
    x = 922,294,561.85/43,668.54
  6. Step 6: Final answer
    x = 21,120.34

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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.