Finding the Fourth Proportional to 71,694.42, 107,577.77 and 50,768.93
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Solution
The fourth proportional to 71,694.42, 107,577.77 and 50,768.93 is: 76,178.99
Step by Step Solution
- Step 1: Write the proportion equation
71,694.42 : 107,577.77 = 50,768.93 : x - Step 2: Convert to fraction form
71,694.42/107,577.77 = 50,768.93/x - Step 3: Cross multiply
71,694.42x = 107,577.77 × 50,768.93 - Step 4: Simplify right side
71,694.42x = 5,461,607,970.24 - Step 5: Solve for x
x = 5,461,607,970.24/71,694.42 - Step 6: Final answer
x = 76,178.99
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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.