Finding the Fourth Proportional to 71,292.36, 106,954.80 and 37,994.88
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Solution
The fourth proportional to 71,292.36, 106,954.80 and 37,994.88 is: 57,000.99
Step by Step Solution
- Step 1: Write the proportion equation
71,292.36 : 106,954.80 = 37,994.88 : x - Step 2: Convert to fraction form
71,292.36/106,954.80 = 37,994.88/x - Step 3: Cross multiply
71,292.36x = 106,954.80 × 37,994.88 - Step 4: Simplify right side
71,292.36x = 4,063,734,791.42 - Step 5: Solve for x
x = 4,063,734,791.42/71,292.36 - Step 6: Final answer
x = 57,000.99
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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.