Finding the Fourth Proportional to 75,804.22, 113,706.74 and 19,640.44
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Solution
The fourth proportional to 75,804.22, 113,706.74 and 19,640.44 is: 29,460.77
Step by Step Solution
- Step 1: Write the proportion equation
75,804.22 : 113,706.74 = 19,640.44 : x - Step 2: Convert to fraction form
75,804.22/113,706.74 = 19,640.44/x - Step 3: Cross multiply
75,804.22x = 113,706.74 × 19,640.44 - Step 4: Simplify right side
75,804.22x = 2,233,250,404.57 - Step 5: Solve for x
x = 2,233,250,404.57/75,804.22 - Step 6: Final answer
x = 29,460.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.