Finding the Fourth Proportional to 75,733.44, 104,567.76 and 48,891.60
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Solution
The fourth proportional to 75,733.44, 104,567.76 and 48,891.60 is: 67,506.31
Step by Step Solution
- Step 1: Write the proportion equation
75,733.44 : 104,567.76 = 48,891.60 : x - Step 2: Convert to fraction form
75,733.44/104,567.76 = 48,891.60/x - Step 3: Cross multiply
75,733.44x = 104,567.76 × 48,891.60 - Step 4: Simplify right side
75,733.44x = 5,112,485,094.82 - Step 5: Solve for x
x = 5,112,485,094.82/75,733.44 - Step 6: Final answer
x = 67,506.31
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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.