Finding the Fourth Proportional to 66,732.15, 100,114.20 and 22,359.09
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Solution
The fourth proportional to 66,732.15, 100,114.20 and 22,359.09 is: 33,543.99
Step by Step Solution
- Step 1: Write the proportion equation
66,732.15 : 100,114.20 = 22,359.09 : x - Step 2: Convert to fraction form
66,732.15/100,114.20 = 22,359.09/x - Step 3: Cross multiply
66,732.15x = 100,114.20 × 22,359.09 - Step 4: Simplify right side
66,732.15x = 2,238,462,408.08 - Step 5: Solve for x
x = 2,238,462,408.08/66,732.15 - Step 6: Final answer
x = 33,543.99
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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.