Finding the Fourth Proportional to 97,214.87, 134,173.92 and 56,926.28
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Solution
The fourth proportional to 97,214.87, 134,173.92 and 56,926.28 is: 78,568.45
Step by Step Solution
- Step 1: Write the proportion equation
97,214.87 : 134,173.92 = 56,926.28 : x - Step 2: Convert to fraction form
97,214.87/134,173.92 = 56,926.28/x - Step 3: Cross multiply
97,214.87x = 134,173.92 × 56,926.28 - Step 4: Simplify right side
97,214.87x = 7,638,021,467.75 - Step 5: Solve for x
x = 7,638,021,467.75/97,214.87 - Step 6: Final answer
x = 78,568.45
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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.