Finding the Fourth Proportional to 88,084.36, 121,556.49 and 49,843.09
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Solution
The fourth proportional to 88,084.36, 121,556.49 and 49,843.09 is: 68,783.51
Step by Step Solution
- Step 1: Write the proportion equation
88,084.36 : 121,556.49 = 49,843.09 : x - Step 2: Convert to fraction form
88,084.36/121,556.49 = 49,843.09/x - Step 3: Cross multiply
88,084.36x = 121,556.49 × 49,843.09 - Step 4: Simplify right side
88,084.36x = 6,058,751,071.15 - Step 5: Solve for x
x = 6,058,751,071.15/88,084.36 - Step 6: Final answer
x = 68,783.51
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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.