Finding the Fourth Proportional to 73,665.20, 110,594.16 and 43,734.08
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Solution
The fourth proportional to 73,665.20, 110,594.16 and 43,734.08 is: 65,658.33
Step by Step Solution
- Step 1: Write the proportion equation
73,665.20 : 110,594.16 = 43,734.08 : x - Step 2: Convert to fraction form
73,665.20/110,594.16 = 43,734.08/x - Step 3: Cross multiply
73,665.20x = 110,594.16 × 43,734.08 - Step 4: Simplify right side
73,665.20x = 4,836,733,840.97 - Step 5: Solve for x
x = 4,836,733,840.97/73,665.20 - Step 6: Final answer
x = 65,658.33
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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.