Finding the Fourth Proportional to 106,757.96, 160,186.76 and 47,587.44
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Solution
The fourth proportional to 106,757.96, 160,186.76 and 47,587.44 is: 71,403.37
Step by Step Solution
- Step 1: Write the proportion equation
106,757.96 : 160,186.76 = 47,587.44 : x - Step 2: Convert to fraction form
106,757.96/160,186.76 = 47,587.44/x - Step 3: Cross multiply
106,757.96x = 160,186.76 × 47,587.44 - Step 4: Simplify right side
106,757.96x = 7,622,877,830.29 - Step 5: Solve for x
x = 7,622,877,830.29/106,757.96 - Step 6: Final answer
x = 71,403.37
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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.