Finding the Fourth Proportional to 80,536.08, 120,794.79 and 21,376.38
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Solution
The fourth proportional to 80,536.08, 120,794.79 and 21,376.38 is: 32,062.09
Step by Step Solution
- Step 1: Write the proportion equation
80,536.08 : 120,794.79 = 21,376.38 : x - Step 2: Convert to fraction form
80,536.08/120,794.79 = 21,376.38/x - Step 3: Cross multiply
80,536.08x = 120,794.79 × 21,376.38 - Step 4: Simplify right side
80,536.08x = 2,582,155,333.06 - Step 5: Solve for x
x = 2,582,155,333.06/80,536.08 - Step 6: Final answer
x = 32,062.09
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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.