Finding the Fourth Proportional to 68,065.08, 102,021.96 and 51,370.98
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Solution
The fourth proportional to 68,065.08, 102,021.96 and 51,370.98 is: 76,999.37
Step by Step Solution
- Step 1: Write the proportion equation
68,065.08 : 102,021.96 = 51,370.98 : x - Step 2: Convert to fraction form
68,065.08/102,021.96 = 51,370.98/x - Step 3: Cross multiply
68,065.08x = 102,021.96 × 51,370.98 - Step 4: Simplify right side
68,065.08x = 5,240,968,066.72 - Step 5: Solve for x
x = 5,240,968,066.72/68,065.08 - Step 6: Final answer
x = 76,999.37
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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.