Finding the Fourth Proportional to 107,900.19, 161,850.29 and 48,703.23
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Solution
The fourth proportional to 107,900.19, 161,850.29 and 48,703.23 is: 73,054.85
Step by Step Solution
- Step 1: Write the proportion equation
107,900.19 : 161,850.29 = 48,703.23 : x - Step 2: Convert to fraction form
107,900.19/161,850.29 = 48,703.23/x - Step 3: Cross multiply
107,900.19x = 161,850.29 × 48,703.23 - Step 4: Simplify right side
107,900.19x = 7,882,631,655.92 - Step 5: Solve for x
x = 7,882,631,655.92/107,900.19 - Step 6: Final answer
x = 73,054.85
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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.