Finding the Fourth Proportional to 98,262.32, 147,379.10 and 48,328.99
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Solution
The fourth proportional to 98,262.32, 147,379.10 and 48,328.99 is: 72,486.41
Step by Step Solution
- Step 1: Write the proportion equation
98,262.32 : 147,379.10 = 48,328.99 : x - Step 2: Convert to fraction form
98,262.32/147,379.10 = 48,328.99/x - Step 3: Cross multiply
98,262.32x = 147,379.10 × 48,328.99 - Step 4: Simplify right side
98,262.32x = 7,122,682,440.02 - Step 5: Solve for x
x = 7,122,682,440.02/98,262.32 - Step 6: Final answer
x = 72,486.41
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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.