Finding the Fourth Proportional to 75,167.05, 103,680.69 and 48,343.49
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Solution
The fourth proportional to 75,167.05, 103,680.69 and 48,343.49 is: 66,681.96
Step by Step Solution
- Step 1: Write the proportion equation
75,167.05 : 103,680.69 = 48,343.49 : x - Step 2: Convert to fraction form
75,167.05/103,680.69 = 48,343.49/x - Step 3: Cross multiply
75,167.05x = 103,680.69 × 48,343.49 - Step 4: Simplify right side
75,167.05x = 5,012,286,400.21 - Step 5: Solve for x
x = 5,012,286,400.21/75,167.05 - Step 6: Final answer
x = 66,681.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.