Finding the Fourth Proportional to 116,703.18, 174,944.05 and 57,469.65
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Solution
The fourth proportional to 116,703.18, 174,944.05 and 57,469.65 is: 86,149.96
Step by Step Solution
- Step 1: Write the proportion equation
116,703.18 : 174,944.05 = 57,469.65 : x - Step 2: Convert to fraction form
116,703.18/174,944.05 = 57,469.65/x - Step 3: Cross multiply
116,703.18x = 174,944.05 × 57,469.65 - Step 4: Simplify right side
116,703.18x = 10,053,973,830.70 - Step 5: Solve for x
x = 10,053,973,830.70/116,703.18 - Step 6: Final answer
x = 86,149.96
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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.