Finding the Fourth Proportional to 75,020.92, 112,575.80 and 27,669.13
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Solution
The fourth proportional to 75,020.92, 112,575.80 and 27,669.13 is: 41,520.08
Step by Step Solution
- Step 1: Write the proportion equation
75,020.92 : 112,575.80 = 27,669.13 : x - Step 2: Convert to fraction form
75,020.92/112,575.80 = 27,669.13/x - Step 3: Cross multiply
75,020.92x = 112,575.80 × 27,669.13 - Step 4: Simplify right side
75,020.92x = 3,114,874,445.05 - Step 5: Solve for x
x = 3,114,874,445.05/75,020.92 - Step 6: Final answer
x = 41,520.08
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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.