Finding the Fourth Proportional to 83,986.13, 115,900.84 and 46,260.38
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Solution
The fourth proportional to 83,986.13, 115,900.84 and 46,260.38 is: 63,839.31
Step by Step Solution
- Step 1: Write the proportion equation
83,986.13 : 115,900.84 = 46,260.38 : x - Step 2: Convert to fraction form
83,986.13/115,900.84 = 46,260.38/x - Step 3: Cross multiply
83,986.13x = 115,900.84 × 46,260.38 - Step 4: Simplify right side
83,986.13x = 5,361,616,900.72 - Step 5: Solve for x
x = 5,361,616,900.72/83,986.13 - Step 6: Final answer
x = 63,839.31
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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.