Finding the Fourth Proportional to 86,734.76, 119,694.17 and 48,495.68
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Solution
The fourth proportional to 86,734.76, 119,694.17 and 48,495.68 is: 66,924.14
Step by Step Solution
- Step 1: Write the proportion equation
86,734.76 : 119,694.17 = 48,495.68 : x - Step 2: Convert to fraction form
86,734.76/119,694.17 = 48,495.68/x - Step 3: Cross multiply
86,734.76x = 119,694.17 × 48,495.68 - Step 4: Simplify right side
86,734.76x = 5,804,649,325.24 - Step 5: Solve for x
x = 5,804,649,325.24/86,734.76 - Step 6: Final answer
x = 66,924.14
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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.