Finding the Fourth Proportional to 75,447.14, 104,126.24 and 43,193.75
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Solution
The fourth proportional to 75,447.14, 104,126.24 and 43,193.75 is: 59,612.63
Step by Step Solution
- Step 1: Write the proportion equation
75,447.14 : 104,126.24 = 43,193.75 : x - Step 2: Convert to fraction form
75,447.14/104,126.24 = 43,193.75/x - Step 3: Cross multiply
75,447.14x = 104,126.24 × 43,193.75 - Step 4: Simplify right side
75,447.14x = 4,497,602,366.35 - Step 5: Solve for x
x = 4,497,602,366.35/75,447.14 - Step 6: Final answer
x = 59,612.63
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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.