Finding the Fourth Proportional to 74,847.96, 103,190.92 and 62,052.84
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Solution
The fourth proportional to 74,847.96, 103,190.92 and 62,052.84 is: 85,550.62
Step by Step Solution
- Step 1: Write the proportion equation
74,847.96 : 103,190.92 = 62,052.84 : x - Step 2: Convert to fraction form
74,847.96/103,190.92 = 62,052.84/x - Step 3: Cross multiply
74,847.96x = 103,190.92 × 62,052.84 - Step 4: Simplify right side
74,847.96x = 6,403,289,648.21 - Step 5: Solve for x
x = 6,403,289,648.21/74,847.96 - Step 6: Final answer
x = 85,550.62
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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.