Finding the Fourth Proportional to 116,818.54, 175,242.38 and 45,731.99
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Solution
The fourth proportional to 116,818.54, 175,242.38 and 45,731.99 is: 68,603.69
Step by Step Solution
- Step 1: Write the proportion equation
116,818.54 : 175,242.38 = 45,731.99 : x - Step 2: Convert to fraction form
116,818.54/175,242.38 = 45,731.99/x - Step 3: Cross multiply
116,818.54x = 175,242.38 × 45,731.99 - Step 4: Simplify right side
116,818.54x = 8,014,182,769.74 - Step 5: Solve for x
x = 8,014,182,769.74/116,818.54 - Step 6: Final answer
x = 68,603.69
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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.