Finding the Fourth Proportional to 75,249.82, 103,852.80 and 48,026.68
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Solution
The fourth proportional to 75,249.82, 103,852.80 and 48,026.68 is: 66,281.96
Step by Step Solution
- Step 1: Write the proportion equation
75,249.82 : 103,852.80 = 48,026.68 : x - Step 2: Convert to fraction form
75,249.82/103,852.80 = 48,026.68/x - Step 3: Cross multiply
75,249.82x = 103,852.80 × 48,026.68 - Step 4: Simplify right side
75,249.82x = 4,987,705,192.70 - Step 5: Solve for x
x = 4,987,705,192.70/75,249.82 - Step 6: Final answer
x = 66,281.96
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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.