Finding the Fourth Proportional to 98,575.41, 147,875.40 and 38,596.14
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Solution
The fourth proportional to 98,575.41, 147,875.40 and 38,596.14 is: 57,899.02
Step by Step Solution
- Step 1: Write the proportion equation
98,575.41 : 147,875.40 = 38,596.14 : x - Step 2: Convert to fraction form
98,575.41/147,875.40 = 38,596.14/x - Step 3: Cross multiply
98,575.41x = 147,875.40 × 38,596.14 - Step 4: Simplify right side
98,575.41x = 5,707,419,640.96 - Step 5: Solve for x
x = 5,707,419,640.96/98,575.41 - Step 6: Final answer
x = 57,899.02
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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.