Finding the Fourth Proportional to 88,624.13, 122,301.29 and 56,836.08
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Solution
The fourth proportional to 88,624.13, 122,301.29 and 56,836.08 is: 78,433.79
Step by Step Solution
- Step 1: Write the proportion equation
88,624.13 : 122,301.29 = 56,836.08 : x - Step 2: Convert to fraction form
88,624.13/122,301.29 = 56,836.08/x - Step 3: Cross multiply
88,624.13x = 122,301.29 × 56,836.08 - Step 4: Simplify right side
88,624.13x = 6,951,126,044.63 - Step 5: Solve for x
x = 6,951,126,044.63/88,624.13 - Step 6: Final answer
x = 78,433.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.