Finding the Fourth Proportional to 71,829.22, 107,707.76 and 41,853.14
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Solution
The fourth proportional to 71,829.22, 107,707.76 and 41,853.14 is: 62,758.69
Step by Step Solution
- Step 1: Write the proportion equation
71,829.22 : 107,707.76 = 41,853.14 : x - Step 2: Convert to fraction form
71,829.22/107,707.76 = 41,853.14/x - Step 3: Cross multiply
71,829.22x = 107,707.76 × 41,853.14 - Step 4: Simplify right side
71,829.22x = 4,507,907,958.37 - Step 5: Solve for x
x = 4,507,907,958.37/71,829.22 - Step 6: Final answer
x = 62,758.69
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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.