Finding the Fourth Proportional to 86,301.99, 129,369.33 and 44,201.97
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Solution
The fourth proportional to 86,301.99, 129,369.33 and 44,201.97 is: 66,260.11
Step by Step Solution
- Step 1: Write the proportion equation
86,301.99 : 129,369.33 = 44,201.97 : x - Step 2: Convert to fraction form
86,301.99/129,369.33 = 44,201.97/x - Step 3: Cross multiply
86,301.99x = 129,369.33 × 44,201.97 - Step 4: Simplify right side
86,301.99x = 5,718,379,243.58 - Step 5: Solve for x
x = 5,718,379,243.58/86,301.99 - Step 6: Final answer
x = 66,260.11
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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.