Finding the Fourth Proportional to 91,766.24, 126,691.71 and 57,803.84
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Solution
The fourth proportional to 91,766.24, 126,691.71 and 57,803.84 is: 79,803.50
Step by Step Solution
- Step 1: Write the proportion equation
91,766.24 : 126,691.71 = 57,803.84 : x - Step 2: Convert to fraction form
91,766.24/126,691.71 = 57,803.84/x - Step 3: Cross multiply
91,766.24x = 126,691.71 × 57,803.84 - Step 4: Simplify right side
91,766.24x = 7,323,267,434.13 - Step 5: Solve for x
x = 7,323,267,434.13/91,766.24 - Step 6: Final answer
x = 79,803.50
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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.