Finding the Fourth Proportional to 75,694.78, 104,466.95 and 41,706.71
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Solution
The fourth proportional to 75,694.78, 104,466.95 and 41,706.71 is: 57,559.75
Step by Step Solution
- Step 1: Write the proportion equation
75,694.78 : 104,466.95 = 41,706.71 : x - Step 2: Convert to fraction form
75,694.78/104,466.95 = 41,706.71/x - Step 3: Cross multiply
75,694.78x = 104,466.95 × 41,706.71 - Step 4: Simplify right side
75,694.78x = 4,356,972,788.23 - Step 5: Solve for x
x = 4,356,972,788.23/75,694.78 - Step 6: Final answer
x = 57,559.75
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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.