Finding the Fourth Proportional to 125,979.01, 173,850.99 and 69,390.39
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Solution
The fourth proportional to 125,979.01, 173,850.99 and 69,390.39 is: 95,758.71
Step by Step Solution
- Step 1: Write the proportion equation
125,979.01 : 173,850.99 = 69,390.39 : x - Step 2: Convert to fraction form
125,979.01/173,850.99 = 69,390.39/x - Step 3: Cross multiply
125,979.01x = 173,850.99 × 69,390.39 - Step 4: Simplify right side
125,979.01x = 12,063,587,997.99 - Step 5: Solve for x
x = 12,063,587,997.99/125,979.01 - Step 6: Final answer
x = 95,758.71
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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.