Finding the Fourth Proportional to 97,962.75, 135,189.68 and 53,250.75
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Solution
The fourth proportional to 97,962.75, 135,189.68 and 53,250.75 is: 73,486.62
Step by Step Solution
- Step 1: Write the proportion equation
97,962.75 : 135,189.68 = 53,250.75 : x - Step 2: Convert to fraction form
97,962.75/135,189.68 = 53,250.75/x - Step 3: Cross multiply
97,962.75x = 135,189.68 × 53,250.75 - Step 4: Simplify right side
97,962.75x = 7,198,951,586.01 - Step 5: Solve for x
x = 7,198,951,586.01/97,962.75 - Step 6: Final answer
x = 73,486.62
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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.