Finding the Fourth Proportional to 86,797.44, 119,781.41 and 50,988.96
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Solution
The fourth proportional to 86,797.44, 119,781.41 and 50,988.96 is: 70,365.32
Step by Step Solution
- Step 1: Write the proportion equation
86,797.44 : 119,781.41 = 50,988.96 : x - Step 2: Convert to fraction form
86,797.44/119,781.41 = 50,988.96/x - Step 3: Cross multiply
86,797.44x = 119,781.41 × 50,988.96 - Step 4: Simplify right side
86,797.44x = 6,107,529,268.29 - Step 5: Solve for x
x = 6,107,529,268.29/86,797.44 - Step 6: Final answer
x = 70,365.32
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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.