Finding the Fourth Proportional to 83,615.42, 125,442.28 and 36,238.46
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Solution
The fourth proportional to 83,615.42, 125,442.28 and 36,238.46 is: 54,365.99
Step by Step Solution
- Step 1: Write the proportion equation
83,615.42 : 125,442.28 = 36,238.46 : x - Step 2: Convert to fraction form
83,615.42/125,442.28 = 36,238.46/x - Step 3: Cross multiply
83,615.42x = 125,442.28 × 36,238.46 - Step 4: Simplify right side
83,615.42x = 4,545,835,046.09 - Step 5: Solve for x
x = 4,545,835,046.09/83,615.42 - Step 6: Final answer
x = 54,365.99
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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.