Finding the Fourth Proportional to 85,231.44, 117,582.84 and 51,230.88
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Solution
The fourth proportional to 85,231.44, 117,582.84 and 51,230.88 is: 70,676.65
Step by Step Solution
- Step 1: Write the proportion equation
85,231.44 : 117,582.84 = 51,230.88 : x - Step 2: Convert to fraction form
85,231.44/117,582.84 = 51,230.88/x - Step 3: Cross multiply
85,231.44x = 117,582.84 × 51,230.88 - Step 4: Simplify right side
85,231.44x = 6,023,872,366.10 - Step 5: Solve for x
x = 6,023,872,366.10/85,231.44 - Step 6: Final answer
x = 70,676.65
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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.