Finding the Fourth Proportional to 68,093.96, 102,132.30 and 21,345.80
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Solution
The fourth proportional to 68,093.96, 102,132.30 and 21,345.80 is: 32,015.99
Step by Step Solution
- Step 1: Write the proportion equation
68,093.96 : 102,132.30 = 21,345.80 : x - Step 2: Convert to fraction form
68,093.96/102,132.30 = 21,345.80/x - Step 3: Cross multiply
68,093.96x = 102,132.30 × 21,345.80 - Step 4: Simplify right side
68,093.96x = 2,180,095,649.34 - Step 5: Solve for x
x = 2,180,095,649.34/68,093.96 - Step 6: Final answer
x = 32,015.99
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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.