Finding the Fourth Proportional to 97,371.60, 134,249.49 and 82,821.12
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Solution
The fourth proportional to 97,371.60, 134,249.49 and 82,821.12 is: 114,188.26
Step by Step Solution
- Step 1: Write the proportion equation
97,371.60 : 134,249.49 = 82,821.12 : x - Step 2: Convert to fraction form
97,371.60/134,249.49 = 82,821.12/x - Step 3: Cross multiply
97,371.60x = 134,249.49 × 82,821.12 - Step 4: Simplify right side
97,371.60x = 11,118,693,121.23 - Step 5: Solve for x
x = 11,118,693,121.23/97,371.60 - Step 6: Final answer
x = 114,188.26
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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.