Finding the Fourth Proportional to 107,419.98, 161,134.02 and 40,847.70
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Solution
The fourth proportional to 107,419.98, 161,134.02 and 40,847.70 is: 61,273.09
Step by Step Solution
- Step 1: Write the proportion equation
107,419.98 : 161,134.02 = 40,847.70 : x - Step 2: Convert to fraction form
107,419.98/161,134.02 = 40,847.70/x - Step 3: Cross multiply
107,419.98x = 161,134.02 × 40,847.70 - Step 4: Simplify right side
107,419.98x = 6,581,954,108.75 - Step 5: Solve for x
x = 6,581,954,108.75/107,419.98 - Step 6: Final answer
x = 61,273.09
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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.