Finding the Fourth Proportional to 125,731.08, 173,503.61 and 71,286.91
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Solution
The fourth proportional to 125,731.08, 173,503.61 and 71,286.91 is: 98,372.94
Step by Step Solution
- Step 1: Write the proportion equation
125,731.08 : 173,503.61 = 71,286.91 : x - Step 2: Convert to fraction form
125,731.08/173,503.61 = 71,286.91/x - Step 3: Cross multiply
125,731.08x = 173,503.61 × 71,286.91 - Step 4: Simplify right side
125,731.08x = 12,368,535,874.31 - Step 5: Solve for x
x = 12,368,535,874.31/125,731.08 - Step 6: Final answer
x = 98,372.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.