Finding the Fourth Proportional to 68,726.56, 102,992.60 and 29,243.92
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Solution
The fourth proportional to 68,726.56, 102,992.60 and 29,243.92 is: 43,824.50
Step by Step Solution
- Step 1: Write the proportion equation
68,726.56 : 102,992.60 = 29,243.92 : x - Step 2: Convert to fraction form
68,726.56/102,992.60 = 29,243.92/x - Step 3: Cross multiply
68,726.56x = 102,992.60 × 29,243.92 - Step 4: Simplify right side
68,726.56x = 3,011,907,354.99 - Step 5: Solve for x
x = 3,011,907,354.99/68,726.56 - Step 6: Final answer
x = 43,824.50
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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.