Finding the Fourth Proportional to 71,201.53, 106,818.50 and 37,904.05
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Solution
The fourth proportional to 71,201.53, 106,818.50 and 37,904.05 is: 56,864.70
Step by Step Solution
- Step 1: Write the proportion equation
71,201.53 : 106,818.50 = 37,904.05 : x - Step 2: Convert to fraction form
71,201.53/106,818.50 = 37,904.05/x - Step 3: Cross multiply
71,201.53x = 106,818.50 × 37,904.05 - Step 4: Simplify right side
71,201.53x = 4,048,853,764.93 - Step 5: Solve for x
x = 4,048,853,764.93/71,201.53 - Step 6: Final answer
x = 56,864.70
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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.