Finding the Fourth Proportional to 93,899.41, 129,593.60 and 53,604.07
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Solution
The fourth proportional to 93,899.41, 129,593.60 and 53,604.07 is: 73,980.70
Step by Step Solution
- Step 1: Write the proportion equation
93,899.41 : 129,593.60 = 53,604.07 : x - Step 2: Convert to fraction form
93,899.41/129,593.60 = 53,604.07/x - Step 3: Cross multiply
93,899.41x = 129,593.60 × 53,604.07 - Step 4: Simplify right side
93,899.41x = 6,946,744,137.93 - Step 5: Solve for x
x = 6,946,744,137.93/93,899.41 - Step 6: Final answer
x = 73,980.70
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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.