Finding the Fourth Proportional to 83,833.07, 125,765.12 and 27,677.09
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Solution
The fourth proportional to 83,833.07, 125,765.12 and 27,677.09 is: 41,520.75
Step by Step Solution
- Step 1: Write the proportion equation
83,833.07 : 125,765.12 = 27,677.09 : x - Step 2: Convert to fraction form
83,833.07/125,765.12 = 27,677.09/x - Step 3: Cross multiply
83,833.07x = 125,765.12 × 27,677.09 - Step 4: Simplify right side
83,833.07x = 3,480,811,985.47 - Step 5: Solve for x
x = 3,480,811,985.47/83,833.07 - Step 6: Final answer
x = 41,520.75
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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.