Finding the Fourth Proportional to 113,827.80, 170,741.70 and 58,531.80
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Solution
The fourth proportional to 113,827.80, 170,741.70 and 58,531.80 is: 87,797.70
Step by Step Solution
- Step 1: Write the proportion equation
113,827.80 : 170,741.70 = 58,531.80 : x - Step 2: Convert to fraction form
113,827.80/170,741.70 = 58,531.80/x - Step 3: Cross multiply
113,827.80x = 170,741.70 × 58,531.80 - Step 4: Simplify right side
113,827.80x = 9,993,819,036.06 - Step 5: Solve for x
x = 9,993,819,036.06/113,827.80 - Step 6: Final answer
x = 87,797.70
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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.