Finding the Fourth Proportional to 75,803.38, 104,611.16 and 41,349.96
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Solution
The fourth proportional to 75,803.38, 104,611.16 and 41,349.96 is: 57,064.31
Step by Step Solution
- Step 1: Write the proportion equation
75,803.38 : 104,611.16 = 41,349.96 : x - Step 2: Convert to fraction form
75,803.38/104,611.16 = 41,349.96/x - Step 3: Cross multiply
75,803.38x = 104,611.16 × 41,349.96 - Step 4: Simplify right side
75,803.38x = 4,325,667,384.93 - Step 5: Solve for x
x = 4,325,667,384.93/75,803.38 - Step 6: Final answer
x = 57,064.31
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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.