Finding the Fourth Proportional to 68,530.26, 102,810.50 and 29,121.06
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Solution
The fourth proportional to 68,530.26, 102,810.50 and 29,121.06 is: 43,688.01
Step by Step Solution
- Step 1: Write the proportion equation
68,530.26 : 102,810.50 = 29,121.06 : x - Step 2: Convert to fraction form
68,530.26/102,810.50 = 29,121.06/x - Step 3: Cross multiply
68,530.26x = 102,810.50 × 29,121.06 - Step 4: Simplify right side
68,530.26x = 2,993,950,739.13 - Step 5: Solve for x
x = 2,993,950,739.13/68,530.26 - Step 6: Final answer
x = 43,688.01
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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.