Finding the Fourth Proportional to 84,709.24, 127,022.99 and 49,179.49
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Solution
The fourth proportional to 84,709.24, 127,022.99 and 49,179.49 is: 73,745.50
Step by Step Solution
- Step 1: Write the proportion equation
84,709.24 : 127,022.99 = 49,179.49 : x - Step 2: Convert to fraction form
84,709.24/127,022.99 = 49,179.49/x - Step 3: Cross multiply
84,709.24x = 127,022.99 × 49,179.49 - Step 4: Simplify right side
84,709.24x = 6,246,925,303.02 - Step 5: Solve for x
x = 6,246,925,303.02/84,709.24 - Step 6: Final answer
x = 73,745.50
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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.