Finding the Fourth Proportional to 71,170.60, 106,638.62 and 24,397.80
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Solution
The fourth proportional to 71,170.60, 106,638.62 and 24,397.80 is: 36,556.50
Step by Step Solution
- Step 1: Write the proportion equation
71,170.60 : 106,638.62 = 24,397.80 : x - Step 2: Convert to fraction form
71,170.60/106,638.62 = 24,397.80/x - Step 3: Cross multiply
71,170.60x = 106,638.62 × 24,397.80 - Step 4: Simplify right side
71,170.60x = 2,601,747,723.04 - Step 5: Solve for x
x = 2,601,747,723.04/71,170.60 - Step 6: Final answer
x = 36,556.50
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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.