Finding the Fourth Proportional to 81,730.31, 122,602.52 and 22,565.99
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Solution
The fourth proportional to 81,730.31, 122,602.52 and 22,565.99 is: 33,850.93
Step by Step Solution
- Step 1: Write the proportion equation
81,730.31 : 122,602.52 = 22,565.99 : x - Step 2: Convert to fraction form
81,730.31/122,602.52 = 22,565.99/x - Step 3: Cross multiply
81,730.31x = 122,602.52 × 22,565.99 - Step 4: Simplify right side
81,730.31x = 2,766,647,240.29 - Step 5: Solve for x
x = 2,766,647,240.29/81,730.31 - Step 6: Final answer
x = 33,850.93
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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.