Finding the Fourth Proportional to 93,201.08, 128,618.97 and 52,914.02
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Solution
The fourth proportional to 93,201.08, 128,618.97 and 52,914.02 is: 73,022.19
Step by Step Solution
- Step 1: Write the proportion equation
93,201.08 : 128,618.97 = 52,914.02 : x - Step 2: Convert to fraction form
93,201.08/128,618.97 = 52,914.02/x - Step 3: Cross multiply
93,201.08x = 128,618.97 × 52,914.02 - Step 4: Simplify right side
93,201.08x = 6,805,746,750.96 - Step 5: Solve for x
x = 6,805,746,750.96/93,201.08 - Step 6: Final answer
x = 73,022.19
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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.