Finding the Fourth Proportional to 85,517.24, 118,013.49 and 47,791.49
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Solution
The fourth proportional to 85,517.24, 118,013.49 and 47,791.49 is: 65,952.08
Step by Step Solution
- Step 1: Write the proportion equation
85,517.24 : 118,013.49 = 47,791.49 : x - Step 2: Convert to fraction form
85,517.24/118,013.49 = 47,791.49/x - Step 3: Cross multiply
85,517.24x = 118,013.49 × 47,791.49 - Step 4: Simplify right side
85,517.24x = 5,640,039,937.13 - Step 5: Solve for x
x = 5,640,039,937.13/85,517.24 - Step 6: Final answer
x = 65,952.08
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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.