Finding the Fourth Proportional to 83,902.99, 115,786.12 and 46,177.24
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Solution
The fourth proportional to 83,902.99, 115,786.12 and 46,177.24 is: 63,724.59
Step by Step Solution
- Step 1: Write the proportion equation
83,902.99 : 115,786.12 = 46,177.24 : x - Step 2: Convert to fraction form
83,902.99/115,786.12 = 46,177.24/x - Step 3: Cross multiply
83,902.99x = 115,786.12 × 46,177.24 - Step 4: Simplify right side
83,902.99x = 5,346,683,451.91 - Step 5: Solve for x
x = 5,346,683,451.91/83,902.99 - Step 6: Final answer
x = 63,724.59
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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.