Finding the Fourth Proportional to 88,350.18, 121,968.27 and 68,161.74
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Solution
The fourth proportional to 88,350.18, 121,968.27 and 68,161.74 is: 94,097.94
Step by Step Solution
- Step 1: Write the proportion equation
88,350.18 : 121,968.27 = 68,161.74 : x - Step 2: Convert to fraction form
88,350.18/121,968.27 = 68,161.74/x - Step 3: Cross multiply
88,350.18x = 121,968.27 × 68,161.74 - Step 4: Simplify right side
88,350.18x = 8,313,569,507.99 - Step 5: Solve for x
x = 8,313,569,507.99/88,350.18 - Step 6: Final answer
x = 94,097.94
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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.