Finding the Fourth Proportional to 93,414, 128,911.32 and 59,880
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Solution
The fourth proportional to 93,414, 128,911.32 and 59,880 is: 82,634.40
Step by Step Solution
- Step 1: Write the proportion equation
93,414 : 128,911.32 = 59,880 : x - Step 2: Convert to fraction form
93,414/128,911.32 = 59,880/x - Step 3: Cross multiply
93,414x = 128,911.32 × 59,880 - Step 4: Simplify right side
93,414x = 7,719,209,841.60 - Step 5: Solve for x
x = 7,719,209,841.60/93,414 - Step 6: Final answer
x = 82,634.40
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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.