Finding the Fourth Proportional to 88,322.97, 121,887.27 and 48,037.62
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Solution
The fourth proportional to 88,322.97, 121,887.27 and 48,037.62 is: 66,292.77
Step by Step Solution
- Step 1: Write the proportion equation
88,322.97 : 121,887.27 = 48,037.62 : x - Step 2: Convert to fraction form
88,322.97/121,887.27 = 48,037.62/x - Step 3: Cross multiply
88,322.97x = 121,887.27 × 48,037.62 - Step 4: Simplify right side
88,322.97x = 5,855,174,359.10 - Step 5: Solve for x
x = 5,855,174,359.10/88,322.97 - Step 6: Final answer
x = 66,292.77
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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.