Finding the Fourth Proportional to 125,645.76, 173,391.24 and 69,057.12
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Solution
The fourth proportional to 125,645.76, 173,391.24 and 69,057.12 is: 95,298.88
Step by Step Solution
- Step 1: Write the proportion equation
125,645.76 : 173,391.24 = 69,057.12 : x - Step 2: Convert to fraction form
125,645.76/173,391.24 = 69,057.12/x - Step 3: Cross multiply
125,645.76x = 173,391.24 × 69,057.12 - Step 4: Simplify right side
125,645.76x = 11,973,899,667.63 - Step 5: Solve for x
x = 11,973,899,667.63/125,645.76 - Step 6: Final answer
x = 95,298.88
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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.