Finding the Fourth Proportional to 68,841.92, 103,207.30 and 26,700.26
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Solution
The fourth proportional to 68,841.92, 103,207.30 and 26,700.26 is: 40,028.82
Step by Step Solution
- Step 1: Write the proportion equation
68,841.92 : 103,207.30 = 26,700.26 : x - Step 2: Convert to fraction form
68,841.92/103,207.30 = 26,700.26/x - Step 3: Cross multiply
68,841.92x = 103,207.30 × 26,700.26 - Step 4: Simplify right side
68,841.92x = 2,755,661,161.11 - Step 5: Solve for x
x = 2,755,661,161.11/68,841.92 - Step 6: Final answer
x = 40,028.82
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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.