Finding the Fourth Proportional to 107,057.70, 160,586.55 and 54,569.70
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Solution
The fourth proportional to 107,057.70, 160,586.55 and 54,569.70 is: 81,854.55
Step by Step Solution
- Step 1: Write the proportion equation
107,057.70 : 160,586.55 = 54,569.70 : x - Step 2: Convert to fraction form
107,057.70/160,586.55 = 54,569.70/x - Step 3: Cross multiply
107,057.70x = 160,586.55 × 54,569.70 - Step 4: Simplify right side
107,057.70x = 8,763,159,857.54 - Step 5: Solve for x
x = 8,763,159,857.54/107,057.70 - Step 6: Final answer
x = 81,854.55
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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.