Finding the Fourth Proportional to 75,644.01, 104,387.88 and 41,651.79
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Solution
The fourth proportional to 75,644.01, 104,387.88 and 41,651.79 is: 57,479.00
Step by Step Solution
- Step 1: Write the proportion equation
75,644.01 : 104,387.88 = 41,651.79 : x - Step 2: Convert to fraction form
75,644.01/104,387.88 = 41,651.79/x - Step 3: Cross multiply
75,644.01x = 104,387.88 × 41,651.79 - Step 4: Simplify right side
75,644.01x = 4,347,942,056.31 - Step 5: Solve for x
x = 4,347,942,056.31/75,644.01 - Step 6: Final answer
x = 57,479.00
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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.