Finding the Fourth Proportional to 142,080.12, 213,120.18 and 48,586.68
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Solution
The fourth proportional to 142,080.12, 213,120.18 and 48,586.68 is: 72,880.02
Step by Step Solution
- Step 1: Write the proportion equation
142,080.12 : 213,120.18 = 48,586.68 : x - Step 2: Convert to fraction form
142,080.12/213,120.18 = 48,586.68/x - Step 3: Cross multiply
142,080.12x = 213,120.18 × 48,586.68 - Step 4: Simplify right side
142,080.12x = 10,354,801,987.20 - Step 5: Solve for x
x = 10,354,801,987.20/142,080.12 - Step 6: Final answer
x = 72,880.02
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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.