Finding the Fourth Proportional to 125,581.62, 173,312.28 and 71,883.48
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Solution
The fourth proportional to 125,581.62, 173,312.28 and 71,883.48 is: 99,204.72
Step by Step Solution
- Step 1: Write the proportion equation
125,581.62 : 173,312.28 = 71,883.48 : x - Step 2: Convert to fraction form
125,581.62/173,312.28 = 71,883.48/x - Step 3: Cross multiply
125,581.62x = 173,312.28 × 71,883.48 - Step 4: Simplify right side
125,581.62x = 12,458,289,813.13 - Step 5: Solve for x
x = 12,458,289,813.13/125,581.62 - Step 6: Final answer
x = 99,204.72
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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.