Finding the Fourth Proportional to 79,144.19, 118,745.44 and 41,702.75
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Solution
The fourth proportional to 79,144.19, 118,745.44 and 41,702.75 is: 62,569.49
Step by Step Solution
- Step 1: Write the proportion equation
79,144.19 : 118,745.44 = 41,702.75 : x - Step 2: Convert to fraction form
79,144.19/118,745.44 = 41,702.75/x - Step 3: Cross multiply
79,144.19x = 118,745.44 × 41,702.75 - Step 4: Simplify right side
79,144.19x = 4,952,011,397.96 - Step 5: Solve for x
x = 4,952,011,397.96/79,144.19 - Step 6: Final answer
x = 62,569.49
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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.