Finding the Fourth Proportional to 69,163.66, 103,724.97 and 29,711.56
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Solution
The fourth proportional to 69,163.66, 103,724.97 and 29,711.56 is: 44,558.52
Step by Step Solution
- Step 1: Write the proportion equation
69,163.66 : 103,724.97 = 29,711.56 : x - Step 2: Convert to fraction form
69,163.66/103,724.97 = 29,711.56/x - Step 3: Cross multiply
69,163.66x = 103,724.97 × 29,711.56 - Step 4: Simplify right side
69,163.66x = 3,081,830,669.65 - Step 5: Solve for x
x = 3,081,830,669.65/69,163.66 - Step 6: Final answer
x = 44,558.52
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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.