Finding the Fourth Proportional to 68,716.01, 102,844.35 and 39,125.90
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Solution
The fourth proportional to 68,716.01, 102,844.35 and 39,125.90 is: 58,558.08
Step by Step Solution
- Step 1: Write the proportion equation
68,716.01 : 102,844.35 = 39,125.90 : x - Step 2: Convert to fraction form
68,716.01/102,844.35 = 39,125.90/x - Step 3: Cross multiply
68,716.01x = 102,844.35 × 39,125.90 - Step 4: Simplify right side
68,716.01x = 4,023,878,010.78 - Step 5: Solve for x
x = 4,023,878,010.78/68,716.01 - Step 6: Final answer
x = 58,558.08
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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.