Finding the Fourth Proportional to 106,107.77, 146,428.74 and 58,364.34
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Solution
The fourth proportional to 106,107.77, 146,428.74 and 58,364.34 is: 80,542.80
Step by Step Solution
- Step 1: Write the proportion equation
106,107.77 : 146,428.74 = 58,364.34 : x - Step 2: Convert to fraction form
106,107.77/146,428.74 = 58,364.34/x - Step 3: Cross multiply
106,107.77x = 146,428.74 × 58,364.34 - Step 4: Simplify right side
106,107.77x = 8,546,216,767.13 - Step 5: Solve for x
x = 8,546,216,767.13/106,107.77 - Step 6: Final answer
x = 80,542.80
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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.