Finding the Fourth Proportional to 97,284.67, 134,253.07 and 54,263.09
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Solution
The fourth proportional to 97,284.67, 134,253.07 and 54,263.09 is: 74,883.19
Step by Step Solution
- Step 1: Write the proportion equation
97,284.67 : 134,253.07 = 54,263.09 : x - Step 2: Convert to fraction form
97,284.67/134,253.07 = 54,263.09/x - Step 3: Cross multiply
97,284.67x = 134,253.07 × 54,263.09 - Step 4: Simplify right side
97,284.67x = 7,284,986,620.16 - Step 5: Solve for x
x = 7,284,986,620.16/97,284.67 - Step 6: Final answer
x = 74,883.19
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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.