Finding the Fourth Proportional to 75,546.66, 104,208.44 and 54,354.62
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Solution
The fourth proportional to 75,546.66, 104,208.44 and 54,354.62 is: 74,976.31
Step by Step Solution
- Step 1: Write the proportion equation
75,546.66 : 104,208.44 = 54,354.62 : x - Step 2: Convert to fraction form
75,546.66/104,208.44 = 54,354.62/x - Step 3: Cross multiply
75,546.66x = 104,208.44 × 54,354.62 - Step 4: Simplify right side
75,546.66x = 5,664,210,156.99 - Step 5: Solve for x
x = 5,664,210,156.99/75,546.66 - Step 6: Final answer
x = 74,976.31
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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.