Finding the Fourth Proportional to 73,198.92, 101,014.44 and 39,664.92
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Solution
The fourth proportional to 73,198.92, 101,014.44 and 39,664.92 is: 54,737.55
Step by Step Solution
- Step 1: Write the proportion equation
73,198.92 : 101,014.44 = 39,664.92 : x - Step 2: Convert to fraction form
73,198.92/101,014.44 = 39,664.92/x - Step 3: Cross multiply
73,198.92x = 101,014.44 × 39,664.92 - Step 4: Simplify right side
73,198.92x = 4,006,729,681.44 - Step 5: Solve for x
x = 4,006,729,681.44/73,198.92 - Step 6: Final answer
x = 54,737.55
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1.5x scale
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.