Finding the Fourth Proportional to 83,207.70, 124,811.55 and 24,045.30
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Solution
The fourth proportional to 83,207.70, 124,811.55 and 24,045.30 is: 36,067.95
Step by Step Solution
- Step 1: Write the proportion equation
83,207.70 : 124,811.55 = 24,045.30 : x - Step 2: Convert to fraction form
83,207.70/124,811.55 = 24,045.30/x - Step 3: Cross multiply
83,207.70x = 124,811.55 × 24,045.30 - Step 4: Simplify right side
83,207.70x = 3,001,131,163.22 - Step 5: Solve for x
x = 3,001,131,163.22/83,207.70 - Step 6: Final answer
x = 36,067.95
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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.