Finding the Fourth Proportional to 73,620.18, 101,493.81 and 49,708.98
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Solution
The fourth proportional to 73,620.18, 101,493.81 and 49,708.98 is: 68,529.50
Step by Step Solution
- Step 1: Write the proportion equation
73,620.18 : 101,493.81 = 49,708.98 : x - Step 2: Convert to fraction form
73,620.18/101,493.81 = 49,708.98/x - Step 3: Cross multiply
73,620.18x = 101,493.81 × 49,708.98 - Step 4: Simplify right side
73,620.18x = 5,045,153,771.41 - Step 5: Solve for x
x = 5,045,153,771.41/73,620.18 - Step 6: Final answer
x = 68,529.50
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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.