Finding the Fourth Proportional to 75,828.54, 104,676.94 and 48,984.14
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Solution
The fourth proportional to 75,828.54, 104,676.94 and 48,984.14 is: 67,619.79
Step by Step Solution
- Step 1: Write the proportion equation
75,828.54 : 104,676.94 = 48,984.14 : x - Step 2: Convert to fraction form
75,828.54/104,676.94 = 48,984.14/x - Step 3: Cross multiply
75,828.54x = 104,676.94 × 48,984.14 - Step 4: Simplify right side
75,828.54x = 5,127,509,883.73 - Step 5: Solve for x
x = 5,127,509,883.73/75,828.54 - Step 6: Final answer
x = 67,619.79
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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.