Finding the Fourth Proportional to 75,368.24, 104,009.44 and 41,379.92
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Solution
The fourth proportional to 75,368.24, 104,009.44 and 41,379.92 is: 57,104.99
Step by Step Solution
- Step 1: Write the proportion equation
75,368.24 : 104,009.44 = 41,379.92 : x - Step 2: Convert to fraction form
75,368.24/104,009.44 = 41,379.92/x - Step 3: Cross multiply
75,368.24x = 104,009.44 × 41,379.92 - Step 4: Simplify right side
75,368.24x = 4,303,902,306.44 - Step 5: Solve for x
x = 4,303,902,306.44/75,368.24 - Step 6: Final answer
x = 57,104.99
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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.