Finding the Fourth Proportional to 216,559.48, 324,838.94 and 58,811.08
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Solution
The fourth proportional to 216,559.48, 324,838.94 and 58,811.08 is: 88,216.54
Step by Step Solution
- Step 1: Write the proportion equation
216,559.48 : 324,838.94 = 58,811.08 : x - Step 2: Convert to fraction form
216,559.48/324,838.94 = 58,811.08/x - Step 3: Cross multiply
216,559.48x = 324,838.94 × 58,811.08 - Step 4: Simplify right side
216,559.48x = 19,104,128,887.46 - Step 5: Solve for x
x = 19,104,128,887.46/216,559.48 - Step 6: Final answer
x = 88,216.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.