Finding the Fourth Proportional to 84,883.68, 127,324.44 and 51,612.84
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Solution
The fourth proportional to 84,883.68, 127,324.44 and 51,612.84 is: 77,418.60
Step by Step Solution
- Step 1: Write the proportion equation
84,883.68 : 127,324.44 = 51,612.84 : x - Step 2: Convert to fraction form
84,883.68/127,324.44 = 51,612.84/x - Step 3: Cross multiply
84,883.68x = 127,324.44 × 51,612.84 - Step 4: Simplify right side
84,883.68x = 6,571,575,949.81 - Step 5: Solve for x
x = 6,571,575,949.81/84,883.68 - Step 6: Final answer
x = 77,418.60
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1.5x scale
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.