Finding the Fourth Proportional to 75,739.82, 104,521.16 and 45,542.44
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Solution
The fourth proportional to 75,739.82, 104,521.16 and 45,542.44 is: 62,848.69
Step by Step Solution
- Step 1: Write the proportion equation
75,739.82 : 104,521.16 = 45,542.44 : x - Step 2: Convert to fraction form
75,739.82/104,521.16 = 45,542.44/x - Step 3: Cross multiply
75,739.82x = 104,521.16 × 45,542.44 - Step 4: Simplify right side
75,739.82x = 4,760,148,510.58 - Step 5: Solve for x
x = 4,760,148,510.58/75,739.82 - Step 6: Final answer
x = 62,848.69
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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.