Finding the Fourth Proportional to 84,523.93, 116,645.80 and 46,285.09
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Solution
The fourth proportional to 84,523.93, 116,645.80 and 46,285.09 is: 63,874.94
Step by Step Solution
- Step 1: Write the proportion equation
84,523.93 : 116,645.80 = 46,285.09 : x - Step 2: Convert to fraction form
84,523.93/116,645.80 = 46,285.09/x - Step 3: Cross multiply
84,523.93x = 116,645.80 × 46,285.09 - Step 4: Simplify right side
84,523.93x = 5,398,961,351.12 - Step 5: Solve for x
x = 5,398,961,351.12/84,523.93 - Step 6: Final answer
x = 63,874.94
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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.