Finding the Fourth Proportional to 79,872.21, 110,228.49 and 44,062.11
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Solution
The fourth proportional to 79,872.21, 110,228.49 and 44,062.11 is: 60,808.38
Step by Step Solution
- Step 1: Write the proportion equation
79,872.21 : 110,228.49 = 44,062.11 : x - Step 2: Convert to fraction form
79,872.21/110,228.49 = 44,062.11/x - Step 3: Cross multiply
79,872.21x = 110,228.49 × 44,062.11 - Step 4: Simplify right side
79,872.21x = 4,856,899,851.51 - Step 5: Solve for x
x = 4,856,899,851.51/79,872.21 - Step 6: Final answer
x = 60,808.38
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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.