Finding the Fourth Proportional to 73,855.48, 110,739.24 and 34,421.44
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Solution
The fourth proportional to 73,855.48, 110,739.24 and 34,421.44 is: 51,611.66
Step by Step Solution
- Step 1: Write the proportion equation
73,855.48 : 110,739.24 = 34,421.44 : x - Step 2: Convert to fraction form
73,855.48/110,739.24 = 34,421.44/x - Step 3: Cross multiply
73,855.48x = 110,739.24 × 34,421.44 - Step 4: Simplify right side
73,855.48x = 3,811,804,105.31 - Step 5: Solve for x
x = 3,811,804,105.31/73,855.48 - Step 6: Final answer
x = 51,611.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.