Finding the Fourth Proportional to 97,814.22, 134,984.18 and 57,529.68
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Solution
The fourth proportional to 97,814.22, 134,984.18 and 57,529.68 is: 79,391.28
Step by Step Solution
- Step 1: Write the proportion equation
97,814.22 : 134,984.18 = 57,529.68 : x - Step 2: Convert to fraction form
97,814.22/134,984.18 = 57,529.68/x - Step 3: Cross multiply
97,814.22x = 134,984.18 × 57,529.68 - Step 4: Simplify right side
97,814.22x = 7,765,596,392.81 - Step 5: Solve for x
x = 7,765,596,392.81/97,814.22 - Step 6: Final answer
x = 79,391.28
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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.