Finding the Fourth Proportional to 68,869.44, 103,268.32 and 24,489.75
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Solution
The fourth proportional to 68,869.44, 103,268.32 and 24,489.75 is: 36,721.87
Step by Step Solution
- Step 1: Write the proportion equation
68,869.44 : 103,268.32 = 24,489.75 : x - Step 2: Convert to fraction form
68,869.44/103,268.32 = 24,489.75/x - Step 3: Cross multiply
68,869.44x = 103,268.32 × 24,489.75 - Step 4: Simplify right side
68,869.44x = 2,529,014,700.93 - Step 5: Solve for x
x = 2,529,014,700.93/68,869.44 - Step 6: Final answer
x = 36,721.87
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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.