Finding the Fourth Proportional to 97,316.10, 134,297.19 and 57,053.70
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Solution
The fourth proportional to 97,316.10, 134,297.19 and 57,053.70 is: 78,734.68
Step by Step Solution
- Step 1: Write the proportion equation
97,316.10 : 134,297.19 = 57,053.70 : x - Step 2: Convert to fraction form
97,316.10/134,297.19 = 57,053.70/x - Step 3: Cross multiply
97,316.10x = 134,297.19 × 57,053.70 - Step 4: Simplify right side
97,316.10x = 7,662,151,589.10 - Step 5: Solve for x
x = 7,662,151,589.10/97,316.10 - Step 6: Final answer
x = 78,734.68
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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.