Finding the Fourth Proportional to 71,265.54, 106,914.49 and 37,968.06
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Solution
The fourth proportional to 71,265.54, 106,914.49 and 37,968.06 is: 56,960.71
Step by Step Solution
- Step 1: Write the proportion equation
71,265.54 : 106,914.49 = 37,968.06 : x - Step 2: Convert to fraction form
71,265.54/106,914.49 = 37,968.06/x - Step 3: Cross multiply
71,265.54x = 106,914.49 × 37,968.06 - Step 4: Simplify right side
71,265.54x = 4,059,335,771.19 - Step 5: Solve for x
x = 4,059,335,771.19/71,265.54 - Step 6: Final answer
x = 56,960.71
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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.