Finding the Fourth Proportional to 71,977.68, 107,973.68 and 22,057.20
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Solution
The fourth proportional to 71,977.68, 107,973.68 and 22,057.20 is: 33,087.99
Step by Step Solution
- Step 1: Write the proportion equation
71,977.68 : 107,973.68 = 22,057.20 : x - Step 2: Convert to fraction form
71,977.68/107,973.68 = 22,057.20/x - Step 3: Cross multiply
71,977.68x = 107,973.68 × 22,057.20 - Step 4: Simplify right side
71,977.68x = 2,381,597,054.50 - Step 5: Solve for x
x = 2,381,597,054.50/71,977.68 - Step 6: Final answer
x = 33,087.99
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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.