Finding the Fourth Proportional to 84,312.50, 126,519.37 and 33,702.48
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Solution
The fourth proportional to 84,312.50, 126,519.37 and 33,702.48 is: 50,573.96
Step by Step Solution
- Step 1: Write the proportion equation
84,312.50 : 126,519.37 = 33,702.48 : x - Step 2: Convert to fraction form
84,312.50/126,519.37 = 33,702.48/x - Step 3: Cross multiply
84,312.50x = 126,519.37 × 33,702.48 - Step 4: Simplify right side
84,312.50x = 4,264,016,452.78 - Step 5: Solve for x
x = 4,264,016,452.78/84,312.50 - Step 6: Final answer
x = 50,573.96
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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.