Finding the Fourth Proportional to 75,880.22, 104,720.49 and 41,895.23
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Solution
The fourth proportional to 75,880.22, 104,720.49 and 41,895.23 is: 57,818.61
Step by Step Solution
- Step 1: Write the proportion equation
75,880.22 : 104,720.49 = 41,895.23 : x - Step 2: Convert to fraction form
75,880.22/104,720.49 = 41,895.23/x - Step 3: Cross multiply
75,880.22x = 104,720.49 × 41,895.23 - Step 4: Simplify right side
75,880.22x = 4,387,288,490.66 - Step 5: Solve for x
x = 4,387,288,490.66/75,880.22 - Step 6: Final answer
x = 57,818.61
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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.