Finding the Fourth Proportional to 73,770.21, 101,722.08 and 49,855.35
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Solution
The fourth proportional to 73,770.21, 101,722.08 and 49,855.35 is: 68,745.77
Step by Step Solution
- Step 1: Write the proportion equation
73,770.21 : 101,722.08 = 49,855.35 : x - Step 2: Convert to fraction form
73,770.21/101,722.08 = 49,855.35/x - Step 3: Cross multiply
73,770.21x = 101,722.08 × 49,855.35 - Step 4: Simplify right side
73,770.21x = 5,071,389,901.13 - Step 5: Solve for x
x = 5,071,389,901.13/73,770.21 - Step 6: Final answer
x = 68,745.77
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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.