Finding the Fourth Proportional to 84,949.92, 127,345.29 and 28,750.68
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Solution
The fourth proportional to 84,949.92, 127,345.29 and 28,750.68 is: 43,099.09
Step by Step Solution
- Step 1: Write the proportion equation
84,949.92 : 127,345.29 = 28,750.68 : x - Step 2: Convert to fraction form
84,949.92/127,345.29 = 28,750.68/x - Step 3: Cross multiply
84,949.92x = 127,345.29 × 28,750.68 - Step 4: Simplify right side
84,949.92x = 3,661,263,715.99 - Step 5: Solve for x
x = 3,661,263,715.99/84,949.92 - Step 6: Final answer
x = 43,099.09
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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.