Finding the Fourth Proportional to 125,476.05, 173,154.79 and 68,887.02
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Solution
The fourth proportional to 125,476.05, 173,154.79 and 68,887.02 is: 95,062.90
Step by Step Solution
- Step 1: Write the proportion equation
125,476.05 : 173,154.79 = 68,887.02 : x - Step 2: Convert to fraction form
125,476.05/173,154.79 = 68,887.02/x - Step 3: Cross multiply
125,476.05x = 173,154.79 × 68,887.02 - Step 4: Simplify right side
125,476.05x = 11,928,117,481.83 - Step 5: Solve for x
x = 11,928,117,481.83/125,476.05 - Step 6: Final answer
x = 95,062.90
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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.