Finding the Fourth Proportional to 86,163.73, 129,245.63 and 27,004.00
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Solution
The fourth proportional to 86,163.73, 129,245.63 and 27,004.00 is: 40,506.02
Step by Step Solution
- Step 1: Write the proportion equation
86,163.73 : 129,245.63 = 27,004.00 : x - Step 2: Convert to fraction form
86,163.73/129,245.63 = 27,004.00/x - Step 3: Cross multiply
86,163.73x = 129,245.63 × 27,004.00 - Step 4: Simplify right side
86,163.73x = 3,490,149,383.14 - Step 5: Solve for x
x = 3,490,149,383.14/86,163.73 - Step 6: Final answer
x = 40,506.02
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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.