Finding the Fourth Proportional to 84,291.32, 116,325.36 and 48,481.28
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Solution
The fourth proportional to 84,291.32, 116,325.36 and 48,481.28 is: 66,906.09
Step by Step Solution
- Step 1: Write the proportion equation
84,291.32 : 116,325.36 = 48,481.28 : x - Step 2: Convert to fraction form
84,291.32/116,325.36 = 48,481.28/x - Step 3: Cross multiply
84,291.32x = 116,325.36 × 48,481.28 - Step 4: Simplify right side
84,291.32x = 5,639,602,349.26 - Step 5: Solve for x
x = 5,639,602,349.26/84,291.32 - Step 6: Final answer
x = 66,906.09
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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.