Finding the Fourth Proportional to 94,392.84, 141,555.53 and 31,201.31
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Solution
The fourth proportional to 94,392.84, 141,555.53 and 31,201.31 is: 46,790.81
Step by Step Solution
- Step 1: Write the proportion equation
94,392.84 : 141,555.53 = 31,201.31 : x - Step 2: Convert to fraction form
94,392.84/141,555.53 = 31,201.31/x - Step 3: Cross multiply
94,392.84x = 141,555.53 × 31,201.31 - Step 4: Simplify right side
94,392.84x = 4,416,717,109.96 - Step 5: Solve for x
x = 4,416,717,109.96/94,392.84 - Step 6: Final answer
x = 46,790.81
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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.