Finding the Fourth Proportional to 106,573.85, 159,801.99 and 43,377.75
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Solution
The fourth proportional to 106,573.85, 159,801.99 and 43,377.75 is: 65,042.70
Step by Step Solution
- Step 1: Write the proportion equation
106,573.85 : 159,801.99 = 43,377.75 : x - Step 2: Convert to fraction form
106,573.85/159,801.99 = 43,377.75/x - Step 3: Cross multiply
106,573.85x = 159,801.99 × 43,377.75 - Step 4: Simplify right side
106,573.85x = 6,931,850,771.72 - Step 5: Solve for x
x = 6,931,850,771.72/106,573.85 - Step 6: Final answer
x = 65,042.70
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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.