Finding the Fourth Proportional to 84,028.63, 115,961.94 and 46,305.31
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Solution
The fourth proportional to 84,028.63, 115,961.94 and 46,305.31 is: 63,902.66
Step by Step Solution
- Step 1: Write the proportion equation
84,028.63 : 115,961.94 = 46,305.31 : x - Step 2: Convert to fraction form
84,028.63/115,961.94 = 46,305.31/x - Step 3: Cross multiply
84,028.63x = 115,961.94 × 46,305.31 - Step 4: Simplify right side
84,028.63x = 5,369,652,768.57 - Step 5: Solve for x
x = 5,369,652,768.57/84,028.63 - Step 6: Final answer
x = 63,902.66
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1.5x scale
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.