Finding the Fourth Proportional to 116,572.77, 160,876.33 and 68,825.09
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Solution
The fourth proportional to 116,572.77, 160,876.33 and 68,825.09 is: 94,982.11
Step by Step Solution
- Step 1: Write the proportion equation
116,572.77 : 160,876.33 = 68,825.09 : x - Step 2: Convert to fraction form
116,572.77/160,876.33 = 68,825.09/x - Step 3: Cross multiply
116,572.77x = 160,876.33 × 68,825.09 - Step 4: Simplify right side
116,572.77x = 11,072,328,121.25 - Step 5: Solve for x
x = 11,072,328,121.25/116,572.77 - Step 6: Final answer
x = 94,982.11
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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.