Finding the Fourth Proportional to 84,236.74, 126,291.89 and 50,949.99
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Solution
The fourth proportional to 84,236.74, 126,291.89 and 50,949.99 is: 76,386.75
Step by Step Solution
- Step 1: Write the proportion equation
84,236.74 : 126,291.89 = 50,949.99 : x - Step 2: Convert to fraction form
84,236.74/126,291.89 = 50,949.99/x - Step 3: Cross multiply
84,236.74x = 126,291.89 × 50,949.99 - Step 4: Simplify right side
84,236.74x = 6,434,570,659.96 - Step 5: Solve for x
x = 6,434,570,659.96/84,236.74 - Step 6: Final answer
x = 76,386.75
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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.