Finding the Fourth Proportional to 72,038.11, 107,983.26 and 27,652.91
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Solution
The fourth proportional to 72,038.11, 107,983.26 and 27,652.91 is: 41,450.99
Step by Step Solution
- Step 1: Write the proportion equation
72,038.11 : 107,983.26 = 27,652.91 : x - Step 2: Convert to fraction form
72,038.11/107,983.26 = 27,652.91/x - Step 3: Cross multiply
72,038.11x = 107,983.26 × 27,652.91 - Step 4: Simplify right side
72,038.11x = 2,986,050,761.24 - Step 5: Solve for x
x = 2,986,050,761.24/72,038.11 - Step 6: Final answer
x = 41,450.99
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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.