Finding the Fourth Proportional to 93,138.56, 139,735.06 and 29,957.26
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Solution
The fourth proportional to 93,138.56, 139,735.06 and 29,957.26 is: 44,944.65
Step by Step Solution
- Step 1: Write the proportion equation
93,138.56 : 139,735.06 = 29,957.26 : x - Step 2: Convert to fraction form
93,138.56/139,735.06 = 29,957.26/x - Step 3: Cross multiply
93,138.56x = 139,735.06 × 29,957.26 - Step 4: Simplify right side
93,138.56x = 4,186,079,523.54 - Step 5: Solve for x
x = 4,186,079,523.54/93,138.56 - Step 6: Final answer
x = 44,944.65
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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.