Finding the Fourth Proportional to 125,037.09, 172,551.19 and 68,448.47
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Solution
The fourth proportional to 125,037.09, 172,551.19 and 68,448.47 is: 94,458.89
Step by Step Solution
- Step 1: Write the proportion equation
125,037.09 : 172,551.19 = 68,448.47 : x - Step 2: Convert to fraction form
125,037.09/172,551.19 = 68,448.47/x - Step 3: Cross multiply
125,037.09x = 172,551.19 × 68,448.47 - Step 4: Simplify right side
125,037.09x = 11,810,864,822.05 - Step 5: Solve for x
x = 11,810,864,822.05/125,037.09 - Step 6: Final answer
x = 94,458.89
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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.