Finding the Fourth Proportional to 84,015.24, 115,943.70 and 46,290.84
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Solution
The fourth proportional to 84,015.24, 115,943.70 and 46,290.84 is: 63,882.83
Step by Step Solution
- Step 1: Write the proportion equation
84,015.24 : 115,943.70 = 46,290.84 : x - Step 2: Convert to fraction form
84,015.24/115,943.70 = 46,290.84/x - Step 3: Cross multiply
84,015.24x = 115,943.70 × 46,290.84 - Step 4: Simplify right side
84,015.24x = 5,367,131,265.71 - Step 5: Solve for x
x = 5,367,131,265.71/84,015.24 - Step 6: Final answer
x = 63,882.83
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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.