Finding the Fourth Proportional to 71,297.57, 106,983.27 and 36,237.26
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Solution
The fourth proportional to 71,297.57, 106,983.27 and 36,237.26 is: 54,374.65
Step by Step Solution
- Step 1: Write the proportion equation
71,297.57 : 106,983.27 = 36,237.26 : x - Step 2: Convert to fraction form
71,297.57/106,983.27 = 36,237.26/x - Step 3: Cross multiply
71,297.57x = 106,983.27 × 36,237.26 - Step 4: Simplify right side
71,297.57x = 3,876,780,035.72 - Step 5: Solve for x
x = 3,876,780,035.72/71,297.57 - Step 6: Final answer
x = 54,374.65
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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.