Finding the Fourth Proportional to 83,173.68, 124,780.26 and 27,013.98
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Solution
The fourth proportional to 83,173.68, 124,780.26 and 27,013.98 is: 40,527.38
Step by Step Solution
- Step 1: Write the proportion equation
83,173.68 : 124,780.26 = 27,013.98 : x - Step 2: Convert to fraction form
83,173.68/124,780.26 = 27,013.98/x - Step 3: Cross multiply
83,173.68x = 124,780.26 × 27,013.98 - Step 4: Simplify right side
83,173.68x = 3,370,811,448.03 - Step 5: Solve for x
x = 3,370,811,448.03/83,173.68 - Step 6: Final answer
x = 40,527.38
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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.