Finding the Fourth Proportional to 68,365.12, 102,537.44 and 56,752.96
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Solution
The fourth proportional to 68,365.12, 102,537.44 and 56,752.96 is: 85,120.94
Step by Step Solution
- Step 1: Write the proportion equation
68,365.12 : 102,537.44 = 56,752.96 : x - Step 2: Convert to fraction form
68,365.12/102,537.44 = 56,752.96/x - Step 3: Cross multiply
68,365.12x = 102,537.44 × 56,752.96 - Step 4: Simplify right side
68,365.12x = 5,819,303,230.82 - Step 5: Solve for x
x = 5,819,303,230.82/68,365.12 - Step 6: Final answer
x = 85,120.94
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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.