Finding the Fourth Proportional to 106,689.36, 160,053.88 and 44,364.88
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Solution
The fourth proportional to 106,689.36, 160,053.88 and 44,364.88 is: 66,555.57
Step by Step Solution
- Step 1: Write the proportion equation
106,689.36 : 160,053.88 = 44,364.88 : x - Step 2: Convert to fraction form
106,689.36/160,053.88 = 44,364.88/x - Step 3: Cross multiply
106,689.36x = 160,053.88 × 44,364.88 - Step 4: Simplify right side
106,689.36x = 7,100,771,179.73 - Step 5: Solve for x
x = 7,100,771,179.73/106,689.36 - Step 6: Final answer
x = 66,555.57
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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.