Finding the Fourth Proportional to 80,772.63, 121,175.35 and 33,391.96
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Solution
The fourth proportional to 80,772.63, 121,175.35 and 33,391.96 is: 50,094.71
Step by Step Solution
- Step 1: Write the proportion equation
80,772.63 : 121,175.35 = 33,391.96 : x - Step 2: Convert to fraction form
80,772.63/121,175.35 = 33,391.96/x - Step 3: Cross multiply
80,772.63x = 121,175.35 × 33,391.96 - Step 4: Simplify right side
80,772.63x = 4,046,281,834.31 - Step 5: Solve for x
x = 4,046,281,834.31/80,772.63 - Step 6: Final answer
x = 50,094.71
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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.