Finding the Fourth Proportional to 125,904.53, 173,744.01 and 68,542.77
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Solution
The fourth proportional to 125,904.53, 173,744.01 and 68,542.77 is: 94,586.72
Step by Step Solution
- Step 1: Write the proportion equation
125,904.53 : 173,744.01 = 68,542.77 : x - Step 2: Convert to fraction form
125,904.53/173,744.01 = 68,542.77/x - Step 3: Cross multiply
125,904.53x = 173,744.01 × 68,542.77 - Step 4: Simplify right side
125,904.53x = 11,908,895,716.31 - Step 5: Solve for x
x = 11,908,895,716.31/125,904.53 - Step 6: Final answer
x = 94,586.72
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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.