Finding the Fourth Proportional to 67,372.13, 101,046.67 and 19,986.14
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Solution
The fourth proportional to 67,372.13, 101,046.67 and 19,986.14 is: 29,975.79
Step by Step Solution
- Step 1: Write the proportion equation
67,372.13 : 101,046.67 = 19,986.14 : x - Step 2: Convert to fraction form
67,372.13/101,046.67 = 19,986.14/x - Step 3: Cross multiply
67,372.13x = 101,046.67 × 19,986.14 - Step 4: Simplify right side
67,372.13x = 2,019,532,893.15 - Step 5: Solve for x
x = 2,019,532,893.15/67,372.13 - Step 6: Final answer
x = 29,975.79
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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.