Finding the Fourth Proportional to 68,532.97, 102,550.33 and 56,575.54
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Solution
The fourth proportional to 68,532.97, 102,550.33 and 56,575.54 is: 84,657.65
Step by Step Solution
- Step 1: Write the proportion equation
68,532.97 : 102,550.33 = 56,575.54 : x - Step 2: Convert to fraction form
68,532.97/102,550.33 = 56,575.54/x - Step 3: Cross multiply
68,532.97x = 102,550.33 × 56,575.54 - Step 4: Simplify right side
68,532.97x = 5,801,840,296.93 - Step 5: Solve for x
x = 5,801,840,296.93/68,532.97 - Step 6: Final answer
x = 84,657.65
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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.