Finding the Fourth Proportional to 84,844.14, 117,070.86 and 49,037.49
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Solution
The fourth proportional to 84,844.14, 117,070.86 and 49,037.49 is: 67,663.61
Step by Step Solution
- Step 1: Write the proportion equation
84,844.14 : 117,070.86 = 49,037.49 : x - Step 2: Convert to fraction form
84,844.14/117,070.86 = 49,037.49/x - Step 3: Cross multiply
84,844.14x = 117,070.86 × 49,037.49 - Step 4: Simplify right side
84,844.14x = 5,740,861,126.54 - Step 5: Solve for x
x = 5,740,861,126.54/84,844.14 - Step 6: Final answer
x = 67,663.61
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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.