Finding the Fourth Proportional to 68,212.71, 102,332.94 and 28,769.96
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Solution
The fourth proportional to 68,212.71, 102,332.94 and 28,769.96 is: 43,160.79
Step by Step Solution
- Step 1: Write the proportion equation
68,212.71 : 102,332.94 = 28,769.96 : x - Step 2: Convert to fraction form
68,212.71/102,332.94 = 28,769.96/x - Step 3: Cross multiply
68,212.71x = 102,332.94 × 28,769.96 - Step 4: Simplify right side
68,212.71x = 2,944,114,446.63 - Step 5: Solve for x
x = 2,944,114,446.63/68,212.71 - Step 6: Final answer
x = 43,160.79
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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.