Finding the Fourth Proportional to 68,474.19, 102,727.62 and 21,727.08
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Solution
The fourth proportional to 68,474.19, 102,727.62 and 21,727.08 is: 32,595.80
Step by Step Solution
- Step 1: Write the proportion equation
68,474.19 : 102,727.62 = 21,727.08 : x - Step 2: Convert to fraction form
68,474.19/102,727.62 = 21,727.08/x - Step 3: Cross multiply
68,474.19x = 102,727.62 × 21,727.08 - Step 4: Simplify right side
68,474.19x = 2,231,971,217.95 - Step 5: Solve for x
x = 2,231,971,217.95/68,474.19 - Step 6: Final answer
x = 32,595.80
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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.