Finding the Fourth Proportional to 125,765.30, 173,553.54 and 68,405.72
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Solution
The fourth proportional to 125,765.30, 173,553.54 and 68,405.72 is: 94,398.49
Step by Step Solution
- Step 1: Write the proportion equation
125,765.30 : 173,553.54 = 68,405.72 : x - Step 2: Convert to fraction form
125,765.30/173,553.54 = 68,405.72/x - Step 3: Cross multiply
125,765.30x = 173,553.54 × 68,405.72 - Step 4: Simplify right side
125,765.30x = 11,872,054,862.25 - Step 5: Solve for x
x = 11,872,054,862.25/125,765.30 - Step 6: Final answer
x = 94,398.49
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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.