Finding the Fourth Proportional to 72,037.88, 108,070.65 and 27,661.12
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Solution
The fourth proportional to 72,037.88, 108,070.65 and 27,661.12 is: 41,496.99
Step by Step Solution
- Step 1: Write the proportion equation
72,037.88 : 108,070.65 = 27,661.12 : x - Step 2: Convert to fraction form
72,037.88/108,070.65 = 27,661.12/x - Step 3: Cross multiply
72,037.88x = 108,070.65 × 27,661.12 - Step 4: Simplify right side
72,037.88x = 2,989,355,218.13 - Step 5: Solve for x
x = 2,989,355,218.13/72,037.88 - Step 6: Final answer
x = 41,496.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.