Finding the Fourth Proportional to 68,569.91, 102,859.42 and 26,450.42
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Solution
The fourth proportional to 68,569.91, 102,859.42 and 26,450.42 is: 39,677.38
Step by Step Solution
- Step 1: Write the proportion equation
68,569.91 : 102,859.42 = 26,450.42 : x - Step 2: Convert to fraction form
68,569.91/102,859.42 = 26,450.42/x - Step 3: Cross multiply
68,569.91x = 102,859.42 × 26,450.42 - Step 4: Simplify right side
68,569.91x = 2,720,674,329.13 - Step 5: Solve for x
x = 2,720,674,329.13/68,569.91 - Step 6: Final answer
x = 39,677.38
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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.