Finding the Fourth Proportional to 88,463.99, 132,735.06 and 68,645.68
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Solution
The fourth proportional to 88,463.99, 132,735.06 and 68,645.68 is: 102,998.83
Step by Step Solution
- Step 1: Write the proportion equation
88,463.99 : 132,735.06 = 68,645.68 : x - Step 2: Convert to fraction form
88,463.99/132,735.06 = 68,645.68/x - Step 3: Cross multiply
88,463.99x = 132,735.06 × 68,645.68 - Step 4: Simplify right side
88,463.99x = 9,111,688,121.70 - Step 5: Solve for x
x = 9,111,688,121.70/88,463.99 - Step 6: Final answer
x = 102,998.83
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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.