Finding the Fourth Proportional to 79,996.08, 110,321.28 and 54,540.48
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Solution
The fourth proportional to 79,996.08, 110,321.28 and 54,540.48 is: 75,215.88
Step by Step Solution
- Step 1: Write the proportion equation
79,996.08 : 110,321.28 = 54,540.48 : x - Step 2: Convert to fraction form
79,996.08/110,321.28 = 54,540.48/x - Step 3: Cross multiply
79,996.08x = 110,321.28 × 54,540.48 - Step 4: Simplify right side
79,996.08x = 6,016,975,565.41 - Step 5: Solve for x
x = 6,016,975,565.41/79,996.08 - Step 6: Final answer
x = 75,215.88
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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.