Finding the Fourth Proportional to 93,812.08, 129,468.08 and 53,516.60
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Solution
The fourth proportional to 93,812.08, 129,468.08 and 53,516.60 is: 73,857.13
Step by Step Solution
- Step 1: Write the proportion equation
93,812.08 : 129,468.08 = 53,516.60 : x - Step 2: Convert to fraction form
93,812.08/129,468.08 = 53,516.60/x - Step 3: Cross multiply
93,812.08x = 129,468.08 × 53,516.60 - Step 4: Simplify right side
93,812.08x = 6,928,691,450.13 - Step 5: Solve for x
x = 6,928,691,450.13/93,812.08 - Step 6: Final answer
x = 73,857.13
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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.