Finding the Fourth Proportional to 106,057.53, 146,359.41 and 58,314.09
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Solution
The fourth proportional to 106,057.53, 146,359.41 and 58,314.09 is: 80,473.45
Step by Step Solution
- Step 1: Write the proportion equation
106,057.53 : 146,359.41 = 58,314.09 : x - Step 2: Convert to fraction form
106,057.53/146,359.41 = 58,314.09/x - Step 3: Cross multiply
106,057.53x = 146,359.41 × 58,314.09 - Step 4: Simplify right side
106,057.53x = 8,534,815,807.09 - Step 5: Solve for x
x = 8,534,815,807.09/106,057.53 - Step 6: Final answer
x = 80,473.45
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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.