Finding the Fourth Proportional to 96,738.17, 145,053.97 and 51,812.19
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Solution
The fourth proportional to 96,738.17, 145,053.97 and 51,812.19 is: 77,689.75
Step by Step Solution
- Step 1: Write the proportion equation
96,738.17 : 145,053.97 = 51,812.19 : x - Step 2: Convert to fraction form
96,738.17/145,053.97 = 51,812.19/x - Step 3: Cross multiply
96,738.17x = 145,053.97 × 51,812.19 - Step 4: Simplify right side
96,738.17x = 7,515,563,724.36 - Step 5: Solve for x
x = 7,515,563,724.36/96,738.17 - Step 6: Final answer
x = 77,689.75
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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.