Finding the Fourth Proportional to 98,979.45, 148,467.06 and 24,099.99
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Solution
The fourth proportional to 98,979.45, 148,467.06 and 24,099.99 is: 36,149.47
Step by Step Solution
- Step 1: Write the proportion equation
98,979.45 : 148,467.06 = 24,099.99 : x - Step 2: Convert to fraction form
98,979.45/148,467.06 = 24,099.99/x - Step 3: Cross multiply
98,979.45x = 148,467.06 × 24,099.99 - Step 4: Simplify right side
98,979.45x = 3,578,054,661.33 - Step 5: Solve for x
x = 3,578,054,661.33/98,979.45 - Step 6: Final answer
x = 36,149.47
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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.