Finding the Fourth Proportional to 84,627.45, 116,781.84 and 48,828.96
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Solution
The fourth proportional to 84,627.45, 116,781.84 and 48,828.96 is: 67,381.63
Step by Step Solution
- Step 1: Write the proportion equation
84,627.45 : 116,781.84 = 48,828.96 : x - Step 2: Convert to fraction form
84,627.45/116,781.84 = 48,828.96/x - Step 3: Cross multiply
84,627.45x = 116,781.84 × 48,828.96 - Step 4: Simplify right side
84,627.45x = 5,702,335,794.09 - Step 5: Solve for x
x = 5,702,335,794.09/84,627.45 - Step 6: Final answer
x = 67,381.63
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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.