Finding the Fourth Proportional to 93,863.63, 129,530.73 and 50,842.31
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Solution
The fourth proportional to 93,863.63, 129,530.73 and 50,842.31 is: 70,161.80
Step by Step Solution
- Step 1: Write the proportion equation
93,863.63 : 129,530.73 = 50,842.31 : x - Step 2: Convert to fraction form
93,863.63/129,530.73 = 50,842.31/x - Step 3: Cross multiply
93,863.63x = 129,530.73 × 50,842.31 - Step 4: Simplify right side
93,863.63x = 6,585,640,881.53 - Step 5: Solve for x
x = 6,585,640,881.53/93,863.63 - Step 6: Final answer
x = 70,161.80
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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.