Finding the Fourth Proportional to 85,963.26, 118,630.90 and 48,236.70
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Solution
The fourth proportional to 85,963.26, 118,630.90 and 48,236.70 is: 66,567.54
Step by Step Solution
- Step 1: Write the proportion equation
85,963.26 : 118,630.90 = 48,236.70 : x - Step 2: Convert to fraction form
85,963.26/118,630.90 = 48,236.70/x - Step 3: Cross multiply
85,963.26x = 118,630.90 × 48,236.70 - Step 4: Simplify right side
85,963.26x = 5,722,363,134.03 - Step 5: Solve for x
x = 5,722,363,134.03/85,963.26 - Step 6: Final answer
x = 66,567.54
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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.