Finding the Fourth Proportional to 71,338.20, 107,073.06 and 36,303
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Solution
The fourth proportional to 71,338.20, 107,073.06 and 36,303 is: 54,487.96
Step by Step Solution
- Step 1: Write the proportion equation
71,338.20 : 107,073.06 = 36,303 : x - Step 2: Convert to fraction form
71,338.20/107,073.06 = 36,303/x - Step 3: Cross multiply
71,338.20x = 107,073.06 × 36,303 - Step 4: Simplify right side
71,338.20x = 3,887,073,297.18 - Step 5: Solve for x
x = 3,887,073,297.18/71,338.20 - Step 6: Final answer
x = 54,487.96
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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.