Finding the Fourth Proportional to 75,609.18, 113,302.92 and 67,305.84
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Solution
The fourth proportional to 75,609.18, 113,302.92 and 67,305.84 is: 100,860.08
Step by Step Solution
- Step 1: Write the proportion equation
75,609.18 : 113,302.92 = 67,305.84 : x - Step 2: Convert to fraction form
75,609.18/113,302.92 = 67,305.84/x - Step 3: Cross multiply
75,609.18x = 113,302.92 × 67,305.84 - Step 4: Simplify right side
75,609.18x = 7,625,948,205.05 - Step 5: Solve for x
x = 7,625,948,205.05/75,609.18 - Step 6: Final answer
x = 100,860.08
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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.