Finding the Fourth Proportional to 75,135.41, 103,679.68 and 44,914.73
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Solution
The fourth proportional to 75,135.41, 103,679.68 and 44,914.73 is: 61,978.03
Step by Step Solution
- Step 1: Write the proportion equation
75,135.41 : 103,679.68 = 44,914.73 : x - Step 2: Convert to fraction form
75,135.41/103,679.68 = 44,914.73/x - Step 3: Cross multiply
75,135.41x = 103,679.68 × 44,914.73 - Step 4: Simplify right side
75,135.41x = 4,656,744,833.69 - Step 5: Solve for x
x = 4,656,744,833.69/75,135.41 - Step 6: Final answer
x = 61,978.03
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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.