Finding the Fourth Proportional to 84,427.15, 126,529.11 and 44,364.28
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Solution
The fourth proportional to 84,427.15, 126,529.11 and 44,364.28 is: 66,487.77
Step by Step Solution
- Step 1: Write the proportion equation
84,427.15 : 126,529.11 = 44,364.28 : x - Step 2: Convert to fraction form
84,427.15/126,529.11 = 44,364.28/x - Step 3: Cross multiply
84,427.15x = 126,529.11 × 44,364.28 - Step 4: Simplify right side
84,427.15x = 5,613,372,864.19 - Step 5: Solve for x
x = 5,613,372,864.19/84,427.15 - Step 6: Final answer
x = 66,487.77
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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.