Finding the Fourth Proportional to 71,557.75, 107,336.63 and 22,309.75
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Solution
The fourth proportional to 71,557.75, 107,336.63 and 22,309.75 is: 33,464.63
Step by Step Solution
- Step 1: Write the proportion equation
71,557.75 : 107,336.63 = 22,309.75 : x - Step 2: Convert to fraction form
71,557.75/107,336.63 = 22,309.75/x - Step 3: Cross multiply
71,557.75x = 107,336.63 × 22,309.75 - Step 4: Simplify right side
71,557.75x = 2,394,653,381.14 - Step 5: Solve for x
x = 2,394,653,381.14/71,557.75 - Step 6: Final answer
x = 33,464.63
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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.