Finding the Fourth Proportional to 97,768.97, 134,921.18 and 53,056.97
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Solution
The fourth proportional to 97,768.97, 134,921.18 and 53,056.97 is: 73,218.62
Step by Step Solution
- Step 1: Write the proportion equation
97,768.97 : 134,921.18 = 53,056.97 : x - Step 2: Convert to fraction form
97,768.97/134,921.18 = 53,056.97/x - Step 3: Cross multiply
97,768.97x = 134,921.18 × 53,056.97 - Step 4: Simplify right side
97,768.97x = 7,158,508,665.17 - Step 5: Solve for x
x = 7,158,508,665.17/97,768.97 - Step 6: Final answer
x = 73,218.62
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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.