Finding the Fourth Proportional to 79,837.42, 110,173.46 and 44,026.78
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Solution
The fourth proportional to 79,837.42, 110,173.46 and 44,026.78 is: 60,755.75
Step by Step Solution
- Step 1: Write the proportion equation
79,837.42 : 110,173.46 = 44,026.78 : x - Step 2: Convert to fraction form
79,837.42/110,173.46 = 44,026.78/x - Step 3: Cross multiply
79,837.42x = 110,173.46 × 44,026.78 - Step 4: Simplify right side
79,837.42x = 4,850,582,685.26 - Step 5: Solve for x
x = 4,850,582,685.26/79,837.42 - Step 6: Final answer
x = 60,755.75
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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.