Finding the Fourth Proportional to 81,729.31, 122,601.02 and 22,564.99
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Solution
The fourth proportional to 81,729.31, 122,601.02 and 22,564.99 is: 33,849.43
Step by Step Solution
- Step 1: Write the proportion equation
81,729.31 : 122,601.02 = 22,564.99 : x - Step 2: Convert to fraction form
81,729.31/122,601.02 = 22,564.99/x - Step 3: Cross multiply
81,729.31x = 122,601.02 × 22,564.99 - Step 4: Simplify right side
81,729.31x = 2,766,490,790.29 - Step 5: Solve for x
x = 2,766,490,790.29/81,729.31 - Step 6: Final answer
x = 33,849.43
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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.