Finding the Fourth Proportional to 125,922.13, 173,776.79 and 68,563.67
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Solution
The fourth proportional to 125,922.13, 173,776.79 and 68,563.67 is: 94,620.18
Step by Step Solution
- Step 1: Write the proportion equation
125,922.13 : 173,776.79 = 68,563.67 : x - Step 2: Convert to fraction form
125,922.13/173,776.79 = 68,563.67/x - Step 3: Cross multiply
125,922.13x = 173,776.79 × 68,563.67 - Step 4: Simplify right side
125,922.13x = 11,914,774,483.22 - Step 5: Solve for x
x = 11,914,774,483.22/125,922.13 - Step 6: Final answer
x = 94,620.18
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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.