Finding the Fourth Proportional to 107,035.44, 147,708.92 and 59,291.88
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Solution
The fourth proportional to 107,035.44, 147,708.92 and 59,291.88 is: 81,822.80
Step by Step Solution
- Step 1: Write the proportion equation
107,035.44 : 147,708.92 = 59,291.88 : x - Step 2: Convert to fraction form
107,035.44/147,708.92 = 59,291.88/x - Step 3: Cross multiply
107,035.44x = 147,708.92 × 59,291.88 - Step 4: Simplify right side
107,035.44x = 8,757,939,559.57 - Step 5: Solve for x
x = 8,757,939,559.57/107,035.44 - Step 6: Final answer
x = 81,822.80
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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.