Finding the Fourth Proportional to 77,636.35, 116,279.56 and 46,405.99
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Solution
The fourth proportional to 77,636.35, 116,279.56 and 46,405.99 is: 69,504.40
Step by Step Solution
- Step 1: Write the proportion equation
77,636.35 : 116,279.56 = 46,405.99 : x - Step 2: Convert to fraction form
77,636.35/116,279.56 = 46,405.99/x - Step 3: Cross multiply
77,636.35x = 116,279.56 × 46,405.99 - Step 4: Simplify right side
77,636.35x = 5,396,068,098.56 - Step 5: Solve for x
x = 5,396,068,098.56/77,636.35 - Step 6: Final answer
x = 69,504.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.