Finding the Fourth Proportional to 95,630.99, 131,896.62 and 61,645.01
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Solution
The fourth proportional to 95,630.99, 131,896.62 and 61,645.01 is: 85,022.32
Step by Step Solution
- Step 1: Write the proportion equation
95,630.99 : 131,896.62 = 61,645.01 : x - Step 2: Convert to fraction form
95,630.99/131,896.62 = 61,645.01/x - Step 3: Cross multiply
95,630.99x = 131,896.62 × 61,645.01 - Step 4: Simplify right side
95,630.99x = 8,130,767,799.38 - Step 5: Solve for x
x = 8,130,767,799.38/95,630.99 - Step 6: Final answer
x = 85,022.32
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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.