Finding the Fourth Proportional to 88,033.99, 121,489.66 and 49,792.80
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Solution
The fourth proportional to 88,033.99, 121,489.66 and 49,792.80 is: 68,715.62
Step by Step Solution
- Step 1: Write the proportion equation
88,033.99 : 121,489.66 = 49,792.80 : x - Step 2: Convert to fraction form
88,033.99/121,489.66 = 49,792.80/x - Step 3: Cross multiply
88,033.99x = 121,489.66 × 49,792.80 - Step 4: Simplify right side
88,033.99x = 6,049,310,342.45 - Step 5: Solve for x
x = 6,049,310,342.45/88,033.99 - Step 6: Final answer
x = 68,715.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.