Finding the Fourth Proportional to 86,452.84, 119,344.76 and 60,979.96
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Solution
The fourth proportional to 86,452.84, 119,344.76 and 60,979.96 is: 84,180.45
Step by Step Solution
- Step 1: Write the proportion equation
86,452.84 : 119,344.76 = 60,979.96 : x - Step 2: Convert to fraction form
86,452.84/119,344.76 = 60,979.96/x - Step 3: Cross multiply
86,452.84x = 119,344.76 × 60,979.96 - Step 4: Simplify right side
86,452.84x = 7,277,638,691.01 - Step 5: Solve for x
x = 7,277,638,691.01/86,452.84 - Step 6: Final answer
x = 84,180.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.