Finding the Fourth Proportional to 68,845.43, 103,278.96 and 29,402.75
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Solution
The fourth proportional to 68,845.43, 103,278.96 and 29,402.75 is: 44,108.74
Step by Step Solution
- Step 1: Write the proportion equation
68,845.43 : 103,278.96 = 29,402.75 : x - Step 2: Convert to fraction form
68,845.43/103,278.96 = 29,402.75/x - Step 3: Cross multiply
68,845.43x = 103,278.96 × 29,402.75 - Step 4: Simplify right side
68,845.43x = 3,036,685,294.13 - Step 5: Solve for x
x = 3,036,685,294.13/68,845.43 - Step 6: Final answer
x = 44,108.74
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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.