Finding the Fourth Proportional to 81,583.48, 122,376.57 and 22,418.79
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Solution
The fourth proportional to 81,583.48, 122,376.57 and 22,418.79 is: 33,628.56
Step by Step Solution
- Step 1: Write the proportion equation
81,583.48 : 122,376.57 = 22,418.79 : x - Step 2: Convert to fraction form
81,583.48/122,376.57 = 22,418.79/x - Step 3: Cross multiply
81,583.48x = 122,376.57 × 22,418.79 - Step 4: Simplify right side
81,583.48x = 2,743,534,623.75 - Step 5: Solve for x
x = 2,743,534,623.75/81,583.48 - Step 6: Final answer
x = 33,628.56
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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.