Finding the Fourth Proportional to 107,453.35, 161,136.24 and 48,273.13
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Solution
The fourth proportional to 107,453.35, 161,136.24 and 48,273.13 is: 72,390.02
Step by Step Solution
- Step 1: Write the proportion equation
107,453.35 : 161,136.24 = 48,273.13 : x - Step 2: Convert to fraction form
107,453.35/161,136.24 = 48,273.13/x - Step 3: Cross multiply
107,453.35x = 161,136.24 × 48,273.13 - Step 4: Simplify right side
107,453.35x = 7,778,550,661.23 - Step 5: Solve for x
x = 7,778,550,661.23/107,453.35 - Step 6: Final answer
x = 72,390.02
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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.