Finding the Fourth Proportional to 73,841.36, 110,762.04 and 40,771.70
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Solution
The fourth proportional to 73,841.36, 110,762.04 and 40,771.70 is: 61,157.55
Step by Step Solution
- Step 1: Write the proportion equation
73,841.36 : 110,762.04 = 40,771.70 : x - Step 2: Convert to fraction form
73,841.36/110,762.04 = 40,771.70/x - Step 3: Cross multiply
73,841.36x = 110,762.04 × 40,771.70 - Step 4: Simplify right side
73,841.36x = 4,515,956,112.46 - Step 5: Solve for x
x = 4,515,956,112.46/73,841.36 - Step 6: Final answer
x = 61,157.55
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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.