Finding the Fourth Proportional to 81,894.73, 122,613.99 and 41,826.97
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Solution
The fourth proportional to 81,894.73, 122,613.99 and 41,826.97 is: 62,623.95
Step by Step Solution
- Step 1: Write the proportion equation
81,894.73 : 122,613.99 = 41,826.97 : x - Step 2: Convert to fraction form
81,894.73/122,613.99 = 41,826.97/x - Step 3: Cross multiply
81,894.73x = 122,613.99 × 41,826.97 - Step 4: Simplify right side
81,894.73x = 5,128,571,681.31 - Step 5: Solve for x
x = 5,128,571,681.31/81,894.73 - Step 6: Final answer
x = 62,623.95
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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.