Finding the Fourth Proportional to 75,283.28, 112,889.93 and 27,896.46
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Solution
The fourth proportional to 75,283.28, 112,889.93 and 27,896.46 is: 41,831.72
Step by Step Solution
- Step 1: Write the proportion equation
75,283.28 : 112,889.93 = 27,896.46 : x - Step 2: Convert to fraction form
75,283.28/112,889.93 = 27,896.46/x - Step 3: Cross multiply
75,283.28x = 112,889.93 × 27,896.46 - Step 4: Simplify right side
75,283.28x = 3,149,228,852.20 - Step 5: Solve for x
x = 3,149,228,852.20/75,283.28 - Step 6: Final answer
x = 41,831.72
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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.