Finding the Fourth Proportional to 71,602.07, 107,388.99 and 68,045.24
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Solution
The fourth proportional to 71,602.07, 107,388.99 and 68,045.24 is: 102,054.45
Step by Step Solution
- Step 1: Write the proportion equation
71,602.07 : 107,388.99 = 68,045.24 : x - Step 2: Convert to fraction form
71,602.07/107,388.99 = 68,045.24/x - Step 3: Cross multiply
71,602.07x = 107,388.99 × 68,045.24 - Step 4: Simplify right side
71,602.07x = 7,307,309,060.96 - Step 5: Solve for x
x = 7,307,309,060.96/71,602.07 - Step 6: Final answer
x = 102,054.45
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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.