Finding the Fourth Proportional to 102,531.22, 141,494.52 and 56,595.99
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Solution
The fourth proportional to 102,531.22, 141,494.52 and 56,595.99 is: 78,103.26
Step by Step Solution
- Step 1: Write the proportion equation
102,531.22 : 141,494.52 = 56,595.99 : x - Step 2: Convert to fraction form
102,531.22/141,494.52 = 56,595.99/x - Step 3: Cross multiply
102,531.22x = 141,494.52 × 56,595.99 - Step 4: Simplify right side
102,531.22x = 8,008,022,438.97 - Step 5: Solve for x
x = 8,008,022,438.97/102,531.22 - Step 6: Final answer
x = 78,103.26
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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.