Finding the Fourth Proportional to 73,818.10, 110,673.49 and 29,431.54
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Solution
The fourth proportional to 73,818.10, 110,673.49 and 29,431.54 is: 44,125.92
Step by Step Solution
- Step 1: Write the proportion equation
73,818.10 : 110,673.49 = 29,431.54 : x - Step 2: Convert to fraction form
73,818.10/110,673.49 = 29,431.54/x - Step 3: Cross multiply
73,818.10x = 110,673.49 × 29,431.54 - Step 4: Simplify right side
73,818.10x = 3,257,291,247.87 - Step 5: Solve for x
x = 3,257,291,247.87/73,818.10 - Step 6: Final answer
x = 44,125.92
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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.