Finding the Fourth Proportional to 75,167.18, 103,680.76 and 48,343.62
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Solution
The fourth proportional to 75,167.18, 103,680.76 and 48,343.62 is: 66,682.07
Step by Step Solution
- Step 1: Write the proportion equation
75,167.18 : 103,680.76 = 48,343.62 : x - Step 2: Convert to fraction form
75,167.18/103,680.76 = 48,343.62/x - Step 3: Cross multiply
75,167.18x = 103,680.76 × 48,343.62 - Step 4: Simplify right side
75,167.18x = 5,012,303,262.75 - Step 5: Solve for x
x = 5,012,303,262.75/75,167.18 - Step 6: Final answer
x = 66,682.07
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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.