Finding the Fourth Proportional to 93,173.09, 128,580.42 and 52,888.09
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Solution
The fourth proportional to 93,173.09, 128,580.42 and 52,888.09 is: 72,986.45
Step by Step Solution
- Step 1: Write the proportion equation
93,173.09 : 128,580.42 = 52,888.09 : x - Step 2: Convert to fraction form
93,173.09/128,580.42 = 52,888.09/x - Step 3: Cross multiply
93,173.09x = 128,580.42 × 52,888.09 - Step 4: Simplify right side
93,173.09x = 6,800,373,184.25 - Step 5: Solve for x
x = 6,800,373,184.25/93,173.09 - Step 6: Final answer
x = 72,986.45
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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.