Home / 41,277.12-61,896.72-13,190.97

Finding the Fourth Proportional to 41,277.12, 61,896.72 and 13,190.97

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Solution

The fourth proportional to 41,277.12, 61,896.72 and 13,190.97 is: 19,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,277.12 : 61,896.72 = 13,190.97 : x
  2. Step 2: Convert to fraction form
    41,277.12/61,896.72 = 13,190.97/x
  3. Step 3: Cross multiply
    41,277.12x = 61,896.72 × 13,190.97
  4. Step 4: Simplify right side
    41,277.12x = 816,477,776.62
  5. Step 5: Solve for x
    x = 816,477,776.62/41,277.12
  6. Step 6: Final answer
    x = 19,780.40

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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.