Finding the Fourth Proportional to 67,202.19, 100,803.29 and 27,715.91
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Solution
The fourth proportional to 67,202.19, 100,803.29 and 27,715.91 is: 41,573.86
Step by Step Solution
- Step 1: Write the proportion equation
67,202.19 : 100,803.29 = 27,715.91 : x - Step 2: Convert to fraction form
67,202.19/100,803.29 = 27,715.91/x - Step 3: Cross multiply
67,202.19x = 100,803.29 × 27,715.91 - Step 4: Simplify right side
67,202.19x = 2,793,854,270.75 - Step 5: Solve for x
x = 2,793,854,270.75/67,202.19 - Step 6: Final answer
x = 41,573.86
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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.