Finding the Fourth Proportional to 67,587.67, 101,375.02 and 20,827.99
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Solution
The fourth proportional to 67,587.67, 101,375.02 and 20,827.99 is: 31,239.99
Step by Step Solution
- Step 1: Write the proportion equation
67,587.67 : 101,375.02 = 20,827.99 : x - Step 2: Convert to fraction form
67,587.67/101,375.02 = 20,827.99/x - Step 3: Cross multiply
67,587.67x = 101,375.02 × 20,827.99 - Step 4: Simplify right side
67,587.67x = 2,111,437,902.81 - Step 5: Solve for x
x = 2,111,437,902.81/67,587.67 - Step 6: Final answer
x = 31,239.99
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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.