Finding the Fourth Proportional to 79,892.75, 110,258.69 and 44,090.55
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Solution
The fourth proportional to 79,892.75, 110,258.69 and 44,090.55 is: 60,848.65
Step by Step Solution
- Step 1: Write the proportion equation
79,892.75 : 110,258.69 = 44,090.55 : x - Step 2: Convert to fraction form
79,892.75/110,258.69 = 44,090.55/x - Step 3: Cross multiply
79,892.75x = 110,258.69 × 44,090.55 - Step 4: Simplify right side
79,892.75x = 4,861,366,063.93 - Step 5: Solve for x
x = 4,861,366,063.93/79,892.75 - Step 6: Final answer
x = 60,848.65
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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.