Finding the Fourth Proportional to 96,971.91, 133,822.04 and 54,530.07
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Solution
The fourth proportional to 96,971.91, 133,822.04 and 54,530.07 is: 75,251.95
Step by Step Solution
- Step 1: Write the proportion equation
96,971.91 : 133,822.04 = 54,530.07 : x - Step 2: Convert to fraction form
96,971.91/133,822.04 = 54,530.07/x - Step 3: Cross multiply
96,971.91x = 133,822.04 × 54,530.07 - Step 4: Simplify right side
96,971.91x = 7,297,324,936.09 - Step 5: Solve for x
x = 7,297,324,936.09/96,971.91 - Step 6: Final answer
x = 75,251.95
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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.