Finding the Fourth Proportional to 93,785.36, 140,691.88 and 27,216.84
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Solution
The fourth proportional to 93,785.36, 140,691.88 and 27,216.84 is: 40,829.28
Step by Step Solution
- Step 1: Write the proportion equation
93,785.36 : 140,691.88 = 27,216.84 : x - Step 2: Convert to fraction form
93,785.36/140,691.88 = 27,216.84/x - Step 3: Cross multiply
93,785.36x = 140,691.88 × 27,216.84 - Step 4: Simplify right side
93,785.36x = 3,829,188,387.26 - Step 5: Solve for x
x = 3,829,188,387.26/93,785.36 - Step 6: Final answer
x = 40,829.28
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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.