Finding the Fourth Proportional to 84,685.49, 126,917.49 and 34,707.08
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Solution
The fourth proportional to 84,685.49, 126,917.49 and 34,707.08 is: 52,015.23
Step by Step Solution
- Step 1: Write the proportion equation
84,685.49 : 126,917.49 = 34,707.08 : x - Step 2: Convert to fraction form
84,685.49/126,917.49 = 34,707.08/x - Step 3: Cross multiply
84,685.49x = 126,917.49 × 34,707.08 - Step 4: Simplify right side
84,685.49x = 4,404,934,844.24 - Step 5: Solve for x
x = 4,404,934,844.24/84,685.49 - Step 6: Final answer
x = 52,015.23
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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.