Finding the Fourth Proportional to 80,636.93, 120,957.06 and 29,343.84
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Solution
The fourth proportional to 80,636.93, 120,957.06 and 29,343.84 is: 44,016.37
Step by Step Solution
- Step 1: Write the proportion equation
80,636.93 : 120,957.06 = 29,343.84 : x - Step 2: Convert to fraction form
80,636.93/120,957.06 = 29,343.84/x - Step 3: Cross multiply
80,636.93x = 120,957.06 × 29,343.84 - Step 4: Simplify right side
80,636.93x = 3,549,344,615.51 - Step 5: Solve for x
x = 3,549,344,615.51/80,636.93 - Step 6: Final answer
x = 44,016.37
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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.