Finding the Fourth Proportional to 69,740.46, 104,604.75 and 27,609.09
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Solution
The fourth proportional to 69,740.46, 104,604.75 and 27,609.09 is: 41,411.28
Step by Step Solution
- Step 1: Write the proportion equation
69,740.46 : 104,604.75 = 27,609.09 : x - Step 2: Convert to fraction form
69,740.46/104,604.75 = 27,609.09/x - Step 3: Cross multiply
69,740.46x = 104,604.75 × 27,609.09 - Step 4: Simplify right side
69,740.46x = 2,888,041,957.18 - Step 5: Solve for x
x = 2,888,041,957.18/69,740.46 - Step 6: Final answer
x = 41,411.28
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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.