Finding the Fourth Proportional to 75,873.86, 104,705.95 and 41,882.37
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Solution
The fourth proportional to 75,873.86, 104,705.95 and 41,882.37 is: 57,797.68
Step by Step Solution
- Step 1: Write the proportion equation
75,873.86 : 104,705.95 = 41,882.37 : x - Step 2: Convert to fraction form
75,873.86/104,705.95 = 41,882.37/x - Step 3: Cross multiply
75,873.86x = 104,705.95 × 41,882.37 - Step 4: Simplify right side
75,873.86x = 4,385,333,234.40 - Step 5: Solve for x
x = 4,385,333,234.40/75,873.86 - Step 6: Final answer
x = 57,797.68
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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.