Finding the Fourth Proportional to 84,667.36, 126,891.04 and 63,440.68
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Solution
The fourth proportional to 84,667.36, 126,891.04 and 63,440.68 is: 95,078.60
Step by Step Solution
- Step 1: Write the proportion equation
84,667.36 : 126,891.04 = 63,440.68 : x - Step 2: Convert to fraction form
84,667.36/126,891.04 = 63,440.68/x - Step 3: Cross multiply
84,667.36x = 126,891.04 × 63,440.68 - Step 4: Simplify right side
84,667.36x = 8,050,053,863.51 - Step 5: Solve for x
x = 8,050,053,863.51/84,667.36 - Step 6: Final answer
x = 95,078.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.