Finding the Fourth Proportional to 75,821.04, 104,612.04 and 48,964.68
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Solution
The fourth proportional to 75,821.04, 104,612.04 and 48,964.68 is: 67,557.70
Step by Step Solution
- Step 1: Write the proportion equation
75,821.04 : 104,612.04 = 48,964.68 : x - Step 2: Convert to fraction form
75,821.04/104,612.04 = 48,964.68/x - Step 3: Cross multiply
75,821.04x = 104,612.04 × 48,964.68 - Step 4: Simplify right side
75,821.04x = 5,122,295,062.75 - Step 5: Solve for x
x = 5,122,295,062.75/75,821.04 - Step 6: Final answer
x = 67,557.70
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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.