Finding the Fourth Proportional to 91,070.44, 125,683.62 and 50,786.92
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Solution
The fourth proportional to 91,070.44, 125,683.62 and 50,786.92 is: 70,089.53
Step by Step Solution
- Step 1: Write the proportion equation
91,070.44 : 125,683.62 = 50,786.92 : x - Step 2: Convert to fraction form
91,070.44/125,683.62 = 50,786.92/x - Step 3: Cross multiply
91,070.44x = 125,683.62 × 50,786.92 - Step 4: Simplify right side
91,070.44x = 6,383,083,954.25 - Step 5: Solve for x
x = 6,383,083,954.25/91,070.44 - Step 6: Final answer
x = 70,089.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.