Finding the Fourth Proportional to 97,464.03, 134,532.80 and 57,163.08
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Solution
The fourth proportional to 97,464.03, 134,532.80 and 57,163.08 is: 78,904.07
Step by Step Solution
- Step 1: Write the proportion equation
97,464.03 : 134,532.80 = 57,163.08 : x - Step 2: Convert to fraction form
97,464.03/134,532.80 = 57,163.08/x - Step 3: Cross multiply
97,464.03x = 134,532.80 × 57,163.08 - Step 4: Simplify right side
97,464.03x = 7,690,308,923.21 - Step 5: Solve for x
x = 7,690,308,923.21/97,464.03 - Step 6: Final answer
x = 78,904.07
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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.