Finding the Fourth Proportional to 75,226.73, 103,883.11 and 48,415.93
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Solution
The fourth proportional to 75,226.73, 103,883.11 and 48,415.93 is: 66,859.18
Step by Step Solution
- Step 1: Write the proportion equation
75,226.73 : 103,883.11 = 48,415.93 : x - Step 2: Convert to fraction form
75,226.73/103,883.11 = 48,415.93/x - Step 3: Cross multiply
75,226.73x = 103,883.11 × 48,415.93 - Step 4: Simplify right side
75,226.73x = 5,029,597,001.19 - Step 5: Solve for x
x = 5,029,597,001.19/75,226.73 - Step 6: Final answer
x = 66,859.18
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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.