Finding the Fourth Proportional to 83,950.24, 115,852.80 and 46,223.68
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Solution
The fourth proportional to 83,950.24, 115,852.80 and 46,223.68 is: 63,789.49
Step by Step Solution
- Step 1: Write the proportion equation
83,950.24 : 115,852.80 = 46,223.68 : x - Step 2: Convert to fraction form
83,950.24/115,852.80 = 46,223.68/x - Step 3: Cross multiply
83,950.24x = 115,852.80 × 46,223.68 - Step 4: Simplify right side
83,950.24x = 5,355,142,754.30 - Step 5: Solve for x
x = 5,355,142,754.30/83,950.24 - Step 6: Final answer
x = 63,789.49
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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.