Finding the Fourth Proportional to 117,052.67, 161,533.86 and 63,338.74
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Solution
The fourth proportional to 117,052.67, 161,533.86 and 63,338.74 is: 87,408.09
Step by Step Solution
- Step 1: Write the proportion equation
117,052.67 : 161,533.86 = 63,338.74 : x - Step 2: Convert to fraction form
117,052.67/161,533.86 = 63,338.74/x - Step 3: Cross multiply
117,052.67x = 161,533.86 × 63,338.74 - Step 4: Simplify right side
117,052.67x = 10,231,350,352.07 - Step 5: Solve for x
x = 10,231,350,352.07/117,052.67 - Step 6: Final answer
x = 87,408.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.