Finding the Fourth Proportional to 71,302.27, 106,918.80 and 35,748.31
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Solution
The fourth proportional to 71,302.27, 106,918.80 and 35,748.31 is: 53,605.12
Step by Step Solution
- Step 1: Write the proportion equation
71,302.27 : 106,918.80 = 35,748.31 : x - Step 2: Convert to fraction form
71,302.27/106,918.80 = 35,748.31/x - Step 3: Cross multiply
71,302.27x = 106,918.80 × 35,748.31 - Step 4: Simplify right side
71,302.27x = 3,822,166,407.23 - Step 5: Solve for x
x = 3,822,166,407.23/71,302.27 - Step 6: Final answer
x = 53,605.12
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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.