Finding the Fourth Proportional to 125,035.84, 172,551.36 and 68,452.48
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Solution
The fourth proportional to 125,035.84, 172,551.36 and 68,452.48 is: 94,465.46
Step by Step Solution
- Step 1: Write the proportion equation
125,035.84 : 172,551.36 = 68,452.48 : x - Step 2: Convert to fraction form
125,035.84/172,551.36 = 68,452.48/x - Step 3: Cross multiply
125,035.84x = 172,551.36 × 68,452.48 - Step 4: Simplify right side
125,035.84x = 11,811,568,519.37 - Step 5: Solve for x
x = 11,811,568,519.37/125,035.84 - Step 6: Final answer
x = 94,465.46
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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.