Finding the Fourth Proportional to 97,131.06, 134,057.97 and 92,698.74
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Solution
The fourth proportional to 97,131.06, 134,057.97 and 92,698.74 is: 127,940.59
Step by Step Solution
- Step 1: Write the proportion equation
97,131.06 : 134,057.97 = 92,698.74 : x - Step 2: Convert to fraction form
97,131.06/134,057.97 = 92,698.74/x - Step 3: Cross multiply
97,131.06x = 134,057.97 × 92,698.74 - Step 4: Simplify right side
97,131.06x = 12,427,004,905.96 - Step 5: Solve for x
x = 12,427,004,905.96/97,131.06 - Step 6: Final answer
x = 127,940.59
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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.