Finding the Fourth Proportional to 75,694.68, 104,379.48 and 56,544.44
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Solution
The fourth proportional to 75,694.68, 104,379.48 and 56,544.44 is: 77,972.18
Step by Step Solution
- Step 1: Write the proportion equation
75,694.68 : 104,379.48 = 56,544.44 : x - Step 2: Convert to fraction form
75,694.68/104,379.48 = 56,544.44/x - Step 3: Cross multiply
75,694.68x = 104,379.48 × 56,544.44 - Step 4: Simplify right side
75,694.68x = 5,902,079,244.09 - Step 5: Solve for x
x = 5,902,079,244.09/75,694.68 - Step 6: Final answer
x = 77,972.18
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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.