Finding the Fourth Proportional to 86,745.24, 119,709.36 and 50,935.68
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Solution
The fourth proportional to 86,745.24, 119,709.36 and 50,935.68 is: 70,291.78
Step by Step Solution
- Step 1: Write the proportion equation
86,745.24 : 119,709.36 = 50,935.68 : x - Step 2: Convert to fraction form
86,745.24/119,709.36 = 50,935.68/x - Step 3: Cross multiply
86,745.24x = 119,709.36 × 50,935.68 - Step 4: Simplify right side
86,745.24x = 6,097,477,653.96 - Step 5: Solve for x
x = 6,097,477,653.96/86,745.24 - Step 6: Final answer
x = 70,291.78
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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.