Finding the Fourth Proportional to 88,161.08, 121,661.91 and 47,874.51
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Solution
The fourth proportional to 88,161.08, 121,661.91 and 47,874.51 is: 66,066.62
Step by Step Solution
- Step 1: Write the proportion equation
88,161.08 : 121,661.91 = 47,874.51 : x - Step 2: Convert to fraction form
88,161.08/121,661.91 = 47,874.51/x - Step 3: Cross multiply
88,161.08x = 121,661.91 × 47,874.51 - Step 4: Simplify right side
88,161.08x = 5,824,504,326.91 - Step 5: Solve for x
x = 5,824,504,326.91/88,161.08 - Step 6: Final answer
x = 66,066.62
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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.