Finding the Fourth Proportional to 95,816.79, 132,228.63 and 54,987.48
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Solution
The fourth proportional to 95,816.79, 132,228.63 and 54,987.48 is: 75,883.56
Step by Step Solution
- Step 1: Write the proportion equation
95,816.79 : 132,228.63 = 54,987.48 : x - Step 2: Convert to fraction form
95,816.79/132,228.63 = 54,987.48/x - Step 3: Cross multiply
95,816.79x = 132,228.63 × 54,987.48 - Step 4: Simplify right side
95,816.79x = 7,270,919,147.55 - Step 5: Solve for x
x = 7,270,919,147.55/95,816.79 - Step 6: Final answer
x = 75,883.56
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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.