Finding the Fourth Proportional to 81,810.22, 122,715.54 and 24,884.62
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Solution
The fourth proportional to 81,810.22, 122,715.54 and 24,884.62 is: 37,326.99
Step by Step Solution
- Step 1: Write the proportion equation
81,810.22 : 122,715.54 = 24,884.62 : x - Step 2: Convert to fraction form
81,810.22/122,715.54 = 24,884.62/x - Step 3: Cross multiply
81,810.22x = 122,715.54 × 24,884.62 - Step 4: Simplify right side
81,810.22x = 3,053,729,580.99 - Step 5: Solve for x
x = 3,053,729,580.99/81,810.22 - Step 6: Final answer
x = 37,326.99
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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.