Finding the Fourth Proportional to 77,163.80, 115,754.28 and 24,561.08
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Solution
The fourth proportional to 77,163.80, 115,754.28 and 24,561.08 is: 36,844.35
Step by Step Solution
- Step 1: Write the proportion equation
77,163.80 : 115,754.28 = 24,561.08 : x - Step 2: Convert to fraction form
77,163.80/115,754.28 = 24,561.08/x - Step 3: Cross multiply
77,163.80x = 115,754.28 × 24,561.08 - Step 4: Simplify right side
77,163.80x = 2,843,050,131.42 - Step 5: Solve for x
x = 2,843,050,131.42/77,163.80 - Step 6: Final answer
x = 36,844.35
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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.