Finding the Fourth Proportional to 73,805.20, 110,707.80 and 44,207.80
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Solution
The fourth proportional to 73,805.20, 110,707.80 and 44,207.80 is: 66,311.70
Step by Step Solution
- Step 1: Write the proportion equation
73,805.20 : 110,707.80 = 44,207.80 : x - Step 2: Convert to fraction form
73,805.20/110,707.80 = 44,207.80/x - Step 3: Cross multiply
73,805.20x = 110,707.80 × 44,207.80 - Step 4: Simplify right side
73,805.20x = 4,894,148,280.84 - Step 5: Solve for x
x = 4,894,148,280.84/73,805.20 - Step 6: Final answer
x = 66,311.70
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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.