Finding the Fourth Proportional to 85,524.57, 118,013.68 and 47,278.97
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Solution
The fourth proportional to 85,524.57, 118,013.68 and 47,278.97 is: 65,239.33
Step by Step Solution
- Step 1: Write the proportion equation
85,524.57 : 118,013.68 = 47,278.97 : x - Step 2: Convert to fraction form
85,524.57/118,013.68 = 47,278.97/x - Step 3: Cross multiply
85,524.57x = 118,013.68 × 47,278.97 - Step 4: Simplify right side
85,524.57x = 5,579,565,236.31 - Step 5: Solve for x
x = 5,579,565,236.31/85,524.57 - Step 6: Final answer
x = 65,239.33
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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.