Finding the Fourth Proportional to 84,611.20, 116,763.06 and 46,370.68
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Solution
The fourth proportional to 84,611.20, 116,763.06 and 46,370.68 is: 63,991.32
Step by Step Solution
- Step 1: Write the proportion equation
84,611.20 : 116,763.06 = 46,370.68 : x - Step 2: Convert to fraction form
84,611.20/116,763.06 = 46,370.68/x - Step 3: Cross multiply
84,611.20x = 116,763.06 × 46,370.68 - Step 4: Simplify right side
84,611.20x = 5,414,382,491.08 - Step 5: Solve for x
x = 5,414,382,491.08/84,611.20 - Step 6: Final answer
x = 63,991.32
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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.