Finding the Fourth Proportional to 83,704.31, 125,449.68 and 39,233.07
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Solution
The fourth proportional to 83,704.31, 125,449.68 and 39,233.07 is: 58,799.56
Step by Step Solution
- Step 1: Write the proportion equation
83,704.31 : 125,449.68 = 39,233.07 : x - Step 2: Convert to fraction form
83,704.31/125,449.68 = 39,233.07/x - Step 3: Cross multiply
83,704.31x = 125,449.68 × 39,233.07 - Step 4: Simplify right side
83,704.31x = 4,921,776,076.92 - Step 5: Solve for x
x = 4,921,776,076.92/83,704.31 - Step 6: Final answer
x = 58,799.56
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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.