Finding the Fourth Proportional to 75,578.26, 104,293.45 and 41,585.50
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Solution
The fourth proportional to 75,578.26, 104,293.45 and 41,585.50 is: 57,385.49
Step by Step Solution
- Step 1: Write the proportion equation
75,578.26 : 104,293.45 = 41,585.50 : x - Step 2: Convert to fraction form
75,578.26/104,293.45 = 41,585.50/x - Step 3: Cross multiply
75,578.26x = 104,293.45 × 41,585.50 - Step 4: Simplify right side
75,578.26x = 4,337,095,264.98 - Step 5: Solve for x
x = 4,337,095,264.98/75,578.26 - Step 6: Final answer
x = 57,385.49
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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.