Finding the Fourth Proportional to 112,690.26, 169,121.09 and 41,680.08
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Solution
The fourth proportional to 112,690.26, 169,121.09 and 41,680.08 is: 62,551.82
Step by Step Solution
- Step 1: Write the proportion equation
112,690.26 : 169,121.09 = 41,680.08 : x - Step 2: Convert to fraction form
112,690.26/169,121.09 = 41,680.08/x - Step 3: Cross multiply
112,690.26x = 169,121.09 × 41,680.08 - Step 4: Simplify right side
112,690.26x = 7,048,980,352.49 - Step 5: Solve for x
x = 7,048,980,352.49/112,690.26 - Step 6: Final answer
x = 62,551.82
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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.