Finding the Fourth Proportional to 73,418.43, 110,135.65 and 23,486.79
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Solution
The fourth proportional to 73,418.43, 110,135.65 and 23,486.79 is: 35,232.75
Step by Step Solution
- Step 1: Write the proportion equation
73,418.43 : 110,135.65 = 23,486.79 : x - Step 2: Convert to fraction form
73,418.43/110,135.65 = 23,486.79/x - Step 3: Cross multiply
73,418.43x = 110,135.65 × 23,486.79 - Step 4: Simplify right side
73,418.43x = 2,586,732,883.06 - Step 5: Solve for x
x = 2,586,732,883.06/73,418.43 - Step 6: Final answer
x = 35,232.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.