Finding the Fourth Proportional to 107,716.59, 161,499.93 and 47,712.49
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Solution
The fourth proportional to 107,716.59, 161,499.93 and 47,712.49 is: 71,535.53
Step by Step Solution
- Step 1: Write the proportion equation
107,716.59 : 161,499.93 = 47,712.49 : x - Step 2: Convert to fraction form
107,716.59/161,499.93 = 47,712.49/x - Step 3: Cross multiply
107,716.59x = 161,499.93 × 47,712.49 - Step 4: Simplify right side
107,716.59x = 7,705,563,795.13 - Step 5: Solve for x
x = 7,705,563,795.13/107,716.59 - Step 6: Final answer
x = 71,535.53
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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.