Finding the Fourth Proportional to 97,922.72, 135,132.00 and 54,313.94
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Solution
The fourth proportional to 97,922.72, 135,132.00 and 54,313.94 is: 74,952.49
Step by Step Solution
- Step 1: Write the proportion equation
97,922.72 : 135,132.00 = 54,313.94 : x - Step 2: Convert to fraction form
97,922.72/135,132.00 = 54,313.94/x - Step 3: Cross multiply
97,922.72x = 135,132.00 × 54,313.94 - Step 4: Simplify right side
97,922.72x = 7,339,551,474.23 - Step 5: Solve for x
x = 7,339,551,474.23/97,922.72 - Step 6: Final answer
x = 74,952.49
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1.5x scale
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.