Finding the Fourth Proportional to 79,902.28, 110,278.56 and 48,074.14
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Solution
The fourth proportional to 79,902.28, 110,278.56 and 48,074.14 is: 66,350.38
Step by Step Solution
- Step 1: Write the proportion equation
79,902.28 : 110,278.56 = 48,074.14 : x - Step 2: Convert to fraction form
79,902.28/110,278.56 = 48,074.14/x - Step 3: Cross multiply
79,902.28x = 110,278.56 × 48,074.14 - Step 4: Simplify right side
79,902.28x = 5,301,546,932.44 - Step 5: Solve for x
x = 5,301,546,932.44/79,902.28 - Step 6: Final answer
x = 66,350.38
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1.5x scale
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.