Finding the Fourth Proportional to 84,342.21, 116,392.16 and 46,102.01
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Solution
The fourth proportional to 84,342.21, 116,392.16 and 46,102.01 is: 63,620.72
Step by Step Solution
- Step 1: Write the proportion equation
84,342.21 : 116,392.16 = 46,102.01 : x - Step 2: Convert to fraction form
84,342.21/116,392.16 = 46,102.01/x - Step 3: Cross multiply
84,342.21x = 116,392.16 × 46,102.01 - Step 4: Simplify right side
84,342.21x = 5,365,912,524.24 - Step 5: Solve for x
x = 5,365,912,524.24/84,342.21 - Step 6: Final answer
x = 63,620.72
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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.