Finding the Fourth Proportional to 92,162.82, 138,022.80 and 52,599.99
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Solution
The fourth proportional to 92,162.82, 138,022.80 and 52,599.99 is: 78,773.61
Step by Step Solution
- Step 1: Write the proportion equation
92,162.82 : 138,022.80 = 52,599.99 : x - Step 2: Convert to fraction form
92,162.82/138,022.80 = 52,599.99/x - Step 3: Cross multiply
92,162.82x = 138,022.80 × 52,599.99 - Step 4: Simplify right side
92,162.82x = 7,259,997,899.77 - Step 5: Solve for x
x = 7,259,997,899.77/92,162.82 - Step 6: Final answer
x = 78,773.61
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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.