Finding the Fourth Proportional to 73,117.68, 109,592.43 and 33,591.75
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Solution
The fourth proportional to 73,117.68, 109,592.43 and 33,591.75 is: 50,348.99
Step by Step Solution
- Step 1: Write the proportion equation
73,117.68 : 109,592.43 = 33,591.75 : x - Step 2: Convert to fraction form
73,117.68/109,592.43 = 33,591.75/x - Step 3: Cross multiply
73,117.68x = 109,592.43 × 33,591.75 - Step 4: Simplify right side
73,117.68x = 3,681,401,510.45 - Step 5: Solve for x
x = 3,681,401,510.45/73,117.68 - Step 6: Final answer
x = 50,348.99
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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.