Finding the Fourth Proportional to 88,595.97, 122,001.12 and 79,161.09
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Solution
The fourth proportional to 88,595.97, 122,001.12 and 79,161.09 is: 109,008.81
Step by Step Solution
- Step 1: Write the proportion equation
88,595.97 : 122,001.12 = 79,161.09 : x - Step 2: Convert to fraction form
88,595.97/122,001.12 = 79,161.09/x - Step 3: Cross multiply
88,595.97x = 122,001.12 × 79,161.09 - Step 4: Simplify right side
88,595.97x = 9,657,741,640.42 - Step 5: Solve for x
x = 9,657,741,640.42/88,595.97 - Step 6: Final answer
x = 109,008.81
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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.