Finding the Fourth Proportional to 73,493.16, 101,412.79 and 43,276.50
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Solution
The fourth proportional to 73,493.16, 101,412.79 and 43,276.50 is: 59,716.99
Step by Step Solution
- Step 1: Write the proportion equation
73,493.16 : 101,412.79 = 43,276.50 : x - Step 2: Convert to fraction form
73,493.16/101,412.79 = 43,276.50/x - Step 3: Cross multiply
73,493.16x = 101,412.79 × 43,276.50 - Step 4: Simplify right side
73,493.16x = 4,388,790,606.44 - Step 5: Solve for x
x = 4,388,790,606.44/73,493.16 - Step 6: Final answer
x = 59,716.99
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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.