Finding the Fourth Proportional to 115,612.26, 159,544.90 and 62,620.26
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Solution
The fourth proportional to 115,612.26, 159,544.90 and 62,620.26 is: 86,415.95
Step by Step Solution
- Step 1: Write the proportion equation
115,612.26 : 159,544.90 = 62,620.26 : x - Step 2: Convert to fraction form
115,612.26/159,544.90 = 62,620.26/x - Step 3: Cross multiply
115,612.26x = 159,544.90 × 62,620.26 - Step 4: Simplify right side
115,612.26x = 9,990,743,119.67 - Step 5: Solve for x
x = 9,990,743,119.67/115,612.26 - Step 6: Final answer
x = 86,415.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.