Finding the Fourth Proportional to 91,889.99, 137,747.49 and 29,516.75
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Solution
The fourth proportional to 91,889.99, 137,747.49 and 29,516.75 is: 44,247.02
Step by Step Solution
- Step 1: Write the proportion equation
91,889.99 : 137,747.49 = 29,516.75 : x - Step 2: Convert to fraction form
91,889.99/137,747.49 = 29,516.75/x - Step 3: Cross multiply
91,889.99x = 137,747.49 × 29,516.75 - Step 4: Simplify right side
91,889.99x = 4,065,858,225.46 - Step 5: Solve for x
x = 4,065,858,225.46/91,889.99 - Step 6: Final answer
x = 44,247.02
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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.