Finding the Fourth Proportional to 106,403.43, 146,832.99 and 58,004.37
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Solution
The fourth proportional to 106,403.43, 146,832.99 and 58,004.37 is: 80,043.99
Step by Step Solution
- Step 1: Write the proportion equation
106,403.43 : 146,832.99 = 58,004.37 : x - Step 2: Convert to fraction form
106,403.43/146,832.99 = 58,004.37/x - Step 3: Cross multiply
106,403.43x = 146,832.99 × 58,004.37 - Step 4: Simplify right side
106,403.43x = 8,516,954,862.65 - Step 5: Solve for x
x = 8,516,954,862.65/106,403.43 - Step 6: Final answer
x = 80,043.99
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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.