Finding the Fourth Proportional to 96,855.75, 133,660.44 and 53,835.03
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Solution
The fourth proportional to 96,855.75, 133,660.44 and 53,835.03 is: 74,292.07
Step by Step Solution
- Step 1: Write the proportion equation
96,855.75 : 133,660.44 = 53,835.03 : x - Step 2: Convert to fraction form
96,855.75/133,660.44 = 53,835.03/x - Step 3: Cross multiply
96,855.75x = 133,660.44 × 53,835.03 - Step 4: Simplify right side
96,855.75x = 7,195,613,797.21 - Step 5: Solve for x
x = 7,195,613,797.21/96,855.75 - Step 6: Final answer
x = 74,292.07
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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.