Finding the Fourth Proportional to 88,707.36, 133,077.12 and 29,537.28
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Solution
The fourth proportional to 88,707.36, 133,077.12 and 29,537.28 is: 44,311.27
Step by Step Solution
- Step 1: Write the proportion equation
88,707.36 : 133,077.12 = 29,537.28 : x - Step 2: Convert to fraction form
88,707.36/133,077.12 = 29,537.28/x - Step 3: Cross multiply
88,707.36x = 133,077.12 × 29,537.28 - Step 4: Simplify right side
88,707.36x = 3,930,736,155.03 - Step 5: Solve for x
x = 3,930,736,155.03/88,707.36 - Step 6: Final answer
x = 44,311.27
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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.