Finding the Fourth Proportional to 73,934.70, 110,902.05 and 27,205.80
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Solution
The fourth proportional to 73,934.70, 110,902.05 and 27,205.80 is: 40,808.70
Step by Step Solution
- Step 1: Write the proportion equation
73,934.70 : 110,902.05 = 27,205.80 : x - Step 2: Convert to fraction form
73,934.70/110,902.05 = 27,205.80/x - Step 3: Cross multiply
73,934.70x = 110,902.05 × 27,205.80 - Step 4: Simplify right side
73,934.70x = 3,017,178,991.89 - Step 5: Solve for x
x = 3,017,178,991.89/73,934.70 - Step 6: Final answer
x = 40,808.70
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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.